How America Built Iron Furnaces That Still Stand in Appalachia

Hinzugefügt: 2026-05-31

[00:00:00]In the year 1771, on a creek bend in the rolling hills of Burks County, Pennsylvania, a 30-year-old iron master named Mark Bird lit a fire inside a stone tower 30ome feet tall. And that fire did not go out for the better part of 112 years. He called the place Hopewell Furnace. The stack still stands today on a wooded slope inside a national park. the same cut sandstone block holding the same chest of fire that cast cannonballs for the Continental Army and stove plates for half the kitchens between Philadelphia and Pittsburgh.

[00:00:34]I have been reading the old furnace ledgers and the National Park Service historic structures report and the legend most people carry in their heads is wrong. The legend says American steel began at Andrew Carnegy's mills in 1875.

[00:00:48]The records say American iron began a full century earlier in stone stacks lit by hand in the forests of Appalachia.

[00:00:55]And most of the men who fed those stacks never had their names written down. I want you to picture what it took to make a ton of iron in 1771.

[00:01:04]There was no electric blower. There was no coke. There was no coal washery.

[00:01:10]There was no steel towed boot. No leather glove rated for heat. No safety officer. There was a stone tower built into the side of a hill so a wagon could dump ore in the top while a forge crew tapped molten iron out the bottom. There was a waterhe turning a pair of leather bellows. There was a forest of oak and hickory burning slowly in earthn mounds, turning itself into charcoal 180 bushels at a time. There was a village. There was a master. There was a cast house floor of damp sand where the iron poured out at 2500° Fahrenheit and hardened into bars the men called pigs. And there was a clock that never stopped because once a charcoal furnace went into blast, it ran 24 hours a day, 7 days a week for 10 or 11 months without a break.

[00:01:59]If you care about the men who built this country with their hands, the workers nobody ever wrote a book about, please subscribe to Global Old History right now. Hit the button. Come back. The human cost was steep. Men were scalded by molten iron. Men suffocated when charcoal mounds collapsed and buried the collars inside. Men died of pneumonia after 12-hour shifts in front of a tap arch that held 120 degrees of heat in summer.

[00:02:28]The records are incomplete, but here is what I found. I pulled these two names from the Hopewell Furnace National Historic Site Archives and the Pennsylvania Historical and Museum Commission records. And I want to introduce them now before we walk the iron plantation together. The first is Mark Bird, born in 1739 in Birdsboro, Pennsylvania, the son of William Bird, an iron master of the colonial era. Mark Bird took over the family iron works in 1761 at the age of 22 after the death of his father. By 1763, he had grown the holdings to 8,000 acres. In 1770, he bought new land along French Creek in Burks County and laid the foundation for a charcoal blast furnace he called Hopewell. The stack went into blast in 1771.

[00:03:17]He was 30 years old. By 1775, he was a colonel in the second battalion of Burks County Militia. During the Revolutionary War, his furnace cast 115 cannons for the Continental Navy, plus shot and shell for the Continental Army, including the 10-in mortar shells used at Yorktown. The federal government never fully paid him for any of it. He lost the furnace to creditors in 1788.

[00:03:43]He fled south to North Carolina where he died in 1816, broke and largely forgotten.

[00:03:50]The second is Clement Brookke, born in 1784 in Burks County. At the age of 16, he started at Hopewell Furnace as an assistant clerk under his father and uncles who had bought the property in 1800. At night, while the day clerk slept, the boy supervised the filling of the blast. By the age of 20, he was running the books for the whole operation.

[00:04:11]In 1816, he became the Iron Master outright, and he held that post for 32 years until 1848. Under Clement Brookke, Hopewell employed more than 200 workers, ran a company store, a schoolhouse, a tenant village, and a barn complex, and turned out 720 tons of iron in its best year. He retired at the age of 64 and moved to a quiet house in nearby Pottstown. He kept a stake in the furnace until 1861.

[00:04:41]He is remembered in the company records as one of the best iron masters Pennsylvania ever produced. These are the two men who left a written trace.

[00:04:49]The collars in the woods, the wood cutters with the axes, the molders in the cast house, the filler on the top of the stack. Most of them show up in the company books as a wage line and a quantity of cordwood delivered. The furnace ledger gives a number, not a name. We are going to honor them anyway.

[00:05:07]I want to walk you up to the stone stack the way a teamster would have come up the road from reading in 1835.

[00:05:13]The road bent through a stand of oak and chestnut, the trees thick on both sides of the wagon ruts. After about a mile, the trees opened. The first thing you saw was the smoke. Brown smoke from the cast house.

[00:05:27]Pale gray smoke from the charcoal hearths back in the woods. White smoke from the cookhouse. The smoke hung over the valley like a low cloud, and the air smelled of burning wood and iron filings. Then you saw the village. A two-story brick mansion sat on the high ground above the creek, the iron master's house, the place Clement Brookke had enlarged to hold his family and 15 servants. Across the lane was the company store, where the workers cashed their pay script for flour, coffee, salt, pork, leather goods, and tools.

[00:06:01]Down the slope ran a row of tenant houses, each one home to a family that worked the furnace in some capacity.

[00:06:07]There was a blacksmith's shop with its own forge, smaller than the main stack, but louder, hammering all day. There was a barn for the mules and the oxen. There was a spring house. There was a schoolhouse Brooke had built across the creek so the worker's children could learn to read. 200 to 300 people lived inside this single iron plantation and almost every one of them directly or indirectly fed the stack. And then you saw the stack itself. Hopewell furnace stood roughly 32 feet tall built of cut sandstone block on a square base about 23 feet on a side set into the hillside.

[00:06:49]So, a charging bridge ran from the high ground straight to the open mouth at the top. The shape was a truncated pyramid.

[00:06:58]The interior cavity was lined with fire brick and had an hourglass profile, narrow at the throat, wider at the Bosch, narrow again at the hearth where the iron pulled. The whole tower had been raised by stonemasons over the course of nearly a year in 1770, and rebuilt and heightened in 1828 to give the blast more room to work.

[00:07:19]The fire inside that stack burned at roughly 2500° F when the blast was on.

[00:07:26]The blast itself came from a pair of huge leather bellows, later replaced by wooden tubs called blast cylinders driven by a water wheel turning in the tail race of the Hopewell Dam. The wheel was about 22 feet in diameter. It turned slow and heavy. It never stopped while the furnace was in blast. The water wheel pumped the blast. The blast forced air through a clay nozzle called a tuier into the bottom chamber of the stack where the air met the burning charcoal and lifted the temperature to the point where the iron in the ore melted out and dropped to the hearth. Quick pause. If these stories matter to you, I am putting them into a series of books. The men nobody wrote a book about. The ones who built this country with their hands.

[00:08:13]Volume 1 is out now. Scan the code on your screen or click the link in the description. Then come back because what happened next is the part most people never hear. Now I want to give you the recipe. The men called it a charge.

[00:08:31]A single charge into the top of Hopewell furnace was three parts. First ore, hematite ore from the Hopewell mine or the Jones Good Luck mine, hauled by mule cart from the pit head, broken with hammers on the bank above the stack, and weighed by the bushell. Second, charcoal.

[00:08:50]Charcoal made in earthn mounds out in the woods, brought to the stack in canvas charge baskets, also weighed by the bushell. Third, limestone called the flux, quarried locally, broke into fist-sized pieces. The three materials went in alternating layers from the top of the stack and settled down through the throat. As the bottom layers melted, the molten iron pulled at the hearth.

[00:09:14]The lighter slag floated on top. Twice a day, the founder pulled the clay plug at the tap arch and let the iron run out into the casting floor. The slag was tapped separately and hauled to the slag pile. The ratio is staggering. To make one ton of iron, Hopewell needed roughly 80 bushels of charcoal, roughly 2 and 12 tons of ore, and a/4 ton of limestone.

[00:09:38]Every day in blast, the furnace ate 800 bushels of charcoal. Every day in blast, the founder filled the throat at a rate of about 15 bushels of charcoal every hour, 24 hours a day, 7 days a week, for 10 months a year. I want you to hold that number for a minute. 800 bushels of charcoal a day. A single bushel of charcoal in 1830 was made from roughly one cord of green hardwood, dried, stacked into a mound, covered in earth, and burned slow for a week. To produce 800 bushels of charcoal a day, the collars in the Hopewell Woods had to deliver on average the contents of an acre of standing oak and hickory every single day of the year. About one acre of forest per day, per furnace. That is why the iron furnaces of Appalachia ate the forest. That is why so many of them ran out of trees and went cold. The Hopewell tract held something like 5,000 acres of woodland at its peak. Multiply 1 acre a day across 11 months of blast a year. And the math tells you that even a careful operation was clearing somewhere around 3 to 400 acres of timber every year just to keep the stack warm. Across the whole Hanging Rock iron region in southern Ohio and northeastern Kentucky, where 83 furnaces operated by 1856, the cumulative forest loss ran into the millions of acres over the lifetime of the industry. Here is what makes Hopewell furnace remarkable. The Hopewell stack went cold for the last time on June 15, 1883.

[00:11:13]That was the final blowout. After that, the founder banked the fires and the village began to empty. But the stone tower itself did not fall. It did not crumble. It did not get torn down for the limestone. The stack stayed where it stood on the hill above French Creek in a forest that grew back over the next 70 years. In 1938, the National Park Service took title to the site. The stack is still there. The cast house roof is still there. The iron master's mansion is still there. The schoolhouse, the company store, the tenant houses, the blacksmith shop, the spring house, the barn, all of it. The whole plantation is a national historic site you can walk through. Now, let us walk into the woods because the woods are where most of the work actually happened. About a half mile from the stack in clearings cut into the second growth oak stood the charcoal hearths. A hearth was a circular patch of bare earth about 30 ft across. The Collier built the hearth by laying logs on end in a tight circle around a central pole, then stacking a second tier of logs above the first, then sealing the whole mound with leaves and damp earth.

[00:12:25]The mound stood about 10 to 12 ft tall.

[00:12:28]The collier lit it from the center down a small chimney built around the central pole and then sealed the chimney with a flat stone. The whole mound smoldered slow for 7 to 10 days. The collier never left it. He lived in a hut next to the mound. He woke up every 2 or three hours to walk around the mound and patch any breach in the earth and seal because if too much air got in, the mound would burn through too fast and you would lose the charcoal. If too little air got in, the mound would smother and you would lose the wood. The collier's job was to keep that mound in the narrow zone between fire and smother for a full week by hand day and night alone. A good collier could turn one cord of green hardwood into 35 to 40 bushels of charcoal. That meant a single big mound holding 20 to 30 cords of wood produced something like 8 to,200 bushels of finished charcoal per burn. The Hopewell account books show collers earning anywhere from $150 a year on the low end up to almost $350 a year on the high end during the 1820s depending on the volume of charcoal they delivered to the company. That was decent money for the era. It was also miserably hard money because the collier never went home, never slept a full night, and never stood up from a charcoal mound without a layer of black dust burned into his pores. The wood cutters who fed the collers came in waves.

[00:13:55]From 1835 to 1837, the Hopewell payroll shows 112 out of 213 total employees cutting wood for charcoal making. That is more than half the workforce. Half the village swung an axe in the forest while the other half worked at the stack, the cast house, the store, and the mansion. The wood cutters were paid by the cord delivered, not by the day. A strong man could put down two cords of standing oak in a working day, which paid roughly 75 cents to a dollar in greenback money, the standard wage rate for an unskilled laborer in eastern Pennsylvania during the 1830s and 1840s.

[00:14:33]The founder, the senior man at the stack, made the most money on the iron plantation. The Hopewell records show the founder running close to $2 a day, plus a house, food, and a share of the bonus when production hit target. Across the wider American charcoal iron industry, founders by the 1880s were earning roughly $1,500 to $1,800 a year, and the ordinary furnace laborers at the cast house floor were earning around $2 to $2.25 a day.

[00:15:03]The pig iron itself, sold at the furnace gate, ran roughly $30 to $40 a ton through most of the cold blast charcoal era, peaking at $42 a ton in Clarion County, Pennsylvania in March of 1854 during a national iron shortage. Now, I want to take you 60 mi west of Hopewell to a place called Cornwall, Pennsylvania, where another stone stack tells the same story from a different angle. Cornwall Iron Furnace was founded in 1742 by a Welshman named Peter Grub, who had started his career as a bloomer operator in 1737.

[00:15:40]Grub laid out his stack on a hill above a hematite deposit so rich that the Cornwall iron mine stayed open until 1973.

[00:15:47]The stack was a stone tower 31 ft tall, 20 ft square at the base, 11 ft square at the top. squat and heavy. Built in a single field season by a crew of stonemasons hauling cut sandstone block on oxdrawn sleds, the Cornwall stack produced about 20 tons of pig iron a week during its early years. And during the Revolutionary War, it cast its first cannon on August 25, 1776.

[00:16:15]By January of 1777, the Cornwall Furnace had cast two dozen cannons for the Continental Forces. Quick pause. If these stories matter to you, join the boss tier for $4.99 a month, loyalty badge, custom emoji, early access 24 hours before public, and membersonly polls. Link in the description. Now, back to it. Cornwall ran continuously under the Grub and Coleman families from 1742 until 1883.

[00:16:47]141 years. Then the cold blast went out for the last time and the village went quiet. The Cornwall stack is still there, too. It is the only intact original cold blast charcoal iron furnace anywhere in the Western Hemisphere. The Pennsylvania Historical and Museum Commission owns it now. The walls of the cast house, the wheel pit, the bellow's house, the tuier, the tap arch, the stone block, the cooling sands on the casting floor. All of it is preserved as it stood the day the fire went out. I want to widen out now because Hopewell and Cornwall were not unusual. They were typical. Stone charcoal blast furnaces spread south and west out of Pennsylvania through Maryland, Virginia, West Virginia, Kentucky, Tennessee, and Alabama in the late 1700s and the first half of the 1800s.

[00:17:42]The pattern was the same everywhere.

[00:17:44]Find an ore deposit. Find a creek for water power. Find a forest for charcoal.

[00:17:51]Raise a stone stack about 30 to 40 feet tall. Build a village and light the fire. In western Maryland, near the present- day border with Pennsylvania, the Johnson brothers built Kataken Iron Furnace in 1776.

[00:18:06]The youngest of those brothers, Thomas Johnson, went on to become the first governor of Maryland and a delegate to the Continental Congress. The Kataken stack ran until 1903.

[00:18:18]The labor force at Katakton was mostly enslaved African-American workers in the early decades, then mostly European immigrant workers in the later decades.

[00:18:28]A research program led by the Smithsonian Institution and the Kataken Furnace Historical Society has identified at least 271 captive workers at the furnace between the 1770s and the 1840s.

[00:18:44]Archaeological excavation along the Maryland Highway expansion of 1979 recovered 35 grave sites of African-American workers of which 32 contained skeletal remains. The bones told their own story. Spinal compression from carrying heavy loads. High zinc concentrations from inhaling iron smelting dust. Many of these individuals were brought to the furnace specifically because they carried iron working skills from West Africa where iron technology had existed for more than a thousand years before they were taken from their homes. The Kataken Cemetery is preserved now along the interpretive trail. The names are mostly lost. The ledger gives no name, only a number. We honor them all the same. In central Kentucky in Esto County, an industrialist named Fred Fitch built the Fitchburg furnace in 1869.

[00:19:38]Construction was supervised by a builder named Sam Worthley. The Fitchburg stack was unusual. It was not a single stone tower. It was a twin stack. Two furnace mouths set side by side in a single rectangular block of cut sandstone 80 feet long, 40 feet wide, and 60 feet tall. They named the two stacks Blackstone Echler. At the time of its construction, Fitchburg was the largest charcoal iron furnace in the world. In its first full year of operation, 1870, Fitchburg employed 250 men and produced 900 tons of pig iron. The stack went out of blast in 1874, only 5 years after it was built because the local timber had already been exhausted and the price of charcoal iron could not compete with the new cokefired furnaces opening near the Great Lakes. The Fitsburg Twin Stack still stands today in the Daniel Boone National Forest, the largest preserved charcoal iron furnace in North America.

[00:20:42]In Virginia, more than a 100 stone furnaces operated between the late 1700s and the 1880s. Most of them were dismantled after they went cold. The cutstone hauled away to build foundations, roads, and bridges. Some survived. Mount Tory Furnace, built around 1804 in what is now the George Washington and Jefferson National Forest, still stands as a 35 to 40 foot stone stack in a quiet forest clearing. Van Beern furnace, sometimes called King Furnace, built in 1873 near Woodstock, still stands as a 40ft stack. Washington Iron Furnace, built around 1770 near Rocky Mount, Virginia, still stands as a 30-foot stack on the property of a 68 acre county park. Buenav Vista Furnace in Rockbridge County, Virginia was active as late as 1855 and gave its name to the small city that grew up around the site. In Alabama, the largest single charcoal iron operation in the Confederate South was Tanahill Iron Works in RPS Valley, 12 miles southwest of present-day Bessemer. Tanahill was founded in 1830 as a small bloomer. In the late 1850s, the southern iron master Moses Stra, who had cast the first railroad iron in Georgia, came to the site in partnership with a man named John Alexander and began building the first of three large charcoal blast furnaces. The three stacks at Tanahill were built between 1859 and 1862.

[00:22:12]They produced 22 tons of pig iron per day at full output, most of it shipped to the Confederate Naval Gun Works at Selma.

[00:22:21]The entire plant was built, supplied, and operated by enslaved labor with roughly 50 to 60 slaves living in cabins at the site and roughly 500 total workers, free and enslaved, living in cabins around the furnaces. On March 31, 1865, three companies of the 8th Iowa Cavalry, part of Union General James Wilson's raid into Alabama, attacked Tanahill and burned the operation to the ground.

[00:22:50]Wilson's troops, more than 14,000 men, burned every iron furnace in Alabama except one. The three Tanahill stacks made of cut stone, did not burn. They cracked from the heat, but the stone walls stood. They stand today inside the 1500 acre Tanahill Ironworks Historical State Park, the best preserved Confederate iron works in the south. In southern Ohio and northeastern Kentucky, in a region called Hanging Rock for the limestone outcrops that overlook the Ohio River, 83 charcoal blast furnaces went into operation between roughly 1818 and 1870.

[00:23:29]65 of them were operating at one time by 1856.

[00:23:33]The hanging rock furnaces collectively were producing hundreds of thousands of tons of iron a year by the 1850s.

[00:23:40]19 of those original stone stacks are still standing today.

[00:23:44]They sit scattered through the second growth forest of southern Ohio and northern Kentucky like sentinels slowly losing battle with tree roots and rainwater and lyken. Some of them crumbling, some of them still intact enough that you can walk inside the cast arch and look up at the throat. I have walked some of those stacks in Lawrence County, Ohio. The forest is thick around them. The road in is a fire road, narrow, rudded. You step through a curtain of red maple and tulip popppler, and there the stack is square base, tapered top, cut sandstone block, sometimes still showing the chisel marks of the masons. The tap arch sits at the base, a lowointed Gothic opening through which the iron once ran. You stand inside that arch and you understand the scale. The throat above you opens into a chimney that ran 25 ft straight up to the charging bridge. The walls around you are still warm to the touch when the afternoon sun hits the stone. These stacks were built to last for as long as the fire stayed lit. They were not built to be ruins. They were built to be working machines. The fact that they are still standing 150 years after the last blast went cold is an accident of geometry and material. The cut sandstone block of a charcoal furnace was the densest stone available locally, laid in courses with lime mortar, bonded by gravity and by the slow seal of slag that fused to the inner fire brick over decades of operation. Once the fire went out and the village emptied, there was nothing for the stack to do except stand. The roof of the cast house rotted off. The water wheel collapsed. The bellow's house fell in. The tenant cabins were scavenged for lumber. But the stack itself, sealed by its own slag, stayed.

[00:25:35]I want to come back to Hopewell for a minute because Hopewell is the spine of this whole story. And I want to take you inside the cast house on a working day in 1835 while Clement Brookke was in his prime as iron master. It is 2 in the morning.

[00:25:50]The Blast has been running for nine months without a stop. The founder is a man named Jacob Smith, paid $2 a day, married, three children, lives in the second tenant house down the lane. Smith is on his 12th hour of a 12-hour shift.

[00:26:06]The cast house floor is damp sand that has been raked smooth and pressed with rows of wooden pattern boards. The patterns shaped like long bars, the bars that will become pig iron. The temperature inside the cast house is over 120° F. The air is thick with sulfur and iron filings. At the back wall of the cast house, the tap arch sits sealed with a plug of clay and sand. Behind that plug, inside the hearth of the stack, is roughly 2,000 lb of molten iron. Smith looks at the gauges, which are not gauges, but his own eye and his own ear. The blast is steady. The poor will be a good one. He calls to two helpers. Both of them paid less than a dollar a day. Both unnamed in the ledger except by mark and number.

[00:26:55]And the helpers come forward with long iron rods called tapping bars. Smith hammers a tapping bar into the clay plug. The plug gives a stream of molten iron the color of the sun the consistency of honey runs out of the arch and along a sand channel called the sa. From the sow, it branches into the smaller channels called pigs. The iron pours for about three minutes. Then it stops.

[00:27:24]Smith plugs the arch with fresh clay and sand. The pore is done. The iron cools in the sand. Within an hour, it is solid enough to break. The workers come in with sledgehammers and break the pigs free from the sow and stack them in the cooling shed. Each pig weighs about 100 pounds.

[00:27:44]The night's pour is something like two tons of finished iron. 20 pigs ready to ship. By dawn, the cast house crew has been replaced by the dayshift. The fire never stops. The blast never stops. The forest keeps feeding it. I have walked the cast house at Hopewell Furnace. I have stood in the same spot where Jacob Smith stood, looking at the same tap arch, and I have read the daybook for that exact week of 1835.

[00:28:14]The book records the founders's name, the helpers marks, the tonnage poured, the price per ton at the gate, and the destination of the shipment. It does not record that two of the helpers came in with new burn scars that night. It does not record what those men had for dinner. It does not record whether the founders's youngest child was sick that week. The book gives a number, not a name, for most of what happened inside that building. The walls remember. Now, I want to tell you what happened to Mark Bird and Clement Brookke. Because the two men I introduced at the start of this video, the two Iron Masters who anchor this whole story, ended their lives in two very different ways. Mark Bird had built Hopewell Furnace in 1770 and lit the first blast in 1771.

[00:29:01]He gave the Continental Army cannon and shot for eight years of war. He served as deputy quartermaster general of Pennsylvania. He served in the Pennsylvania General Assembly. He was a judge of Burks County. He owned 8,000 acres and the largest single slave holding in Burks County, which is a fact of his era that must be named even in a story about the workers below him. The federal government never paid him for the cannons. The new American currency collapsed twice during the 1780s. He took on more debt to keep the furnace running. In 1784, he had to close his iron mill. In 1786, he had to mortgage the Hopewell and Birdsboro properties to cover his debts. In 1788, Hopewell Furnace was auctioned off to James Old and Cadwalader Morris. Mark Bird, who had built the place, lost it in front of a courthouse crowd. He fled south to North Carolina where bankruptcy law was looser. He died there in 1816 at the age of 77, far from the stack he had raised.

[00:30:04]He is buried in a small cemetery near Hillsboro. The grave is unmarked.

[00:30:10]Clement Brookke ended his run very differently. He had taken over as iron master in 1816, the same year Mark Bird died. He ran Hopewell for 32 consecutive years. He survived the panic of 1837.

[00:30:24]He survived the swing toward anthraite iron in the 1840s. He pivoted the furnace from raw pig iron to finished castings, especially stoves and stove plates, which were higher value goods.

[00:30:37]He held on to market share into the 1850s.

[00:30:40]He retired in 1848 at the age of 64 and moved into a comfortable house in Pottstown. He held his partnership stake in Hopewell until 1861.

[00:30:50]He died respected, comfortable, and surrounded by family.

[00:30:56]But here's the thing. The stack at Hopewell did not outlast either man because of the master. The stack outlasted both of them because of the workers. The collers in the woods, the wood cutters with the axes, the fillermen on the charging bridge, the molders in the cast house, the teamsters with the mule carts, the blacksmith, the miners, the cooks, the seamstresses, the 200 to 300 people who lived inside that iron plantation for 112 years and kept the fire burning 24 hours a day, 7 days a week, 10 months out of every year. The masters wrote letters. The workers built the country. The last blast at Hopewell furnace went out on June 15, 1883.

[00:31:44]By that time, the new cokef fired furnaces in Pittsburgh, fed by anthraite and batuminous coal instead of charcoal, were producing iron faster and cheaper.

[00:31:54]The Hopewell Company tried to convert.

[00:31:56]They built a new anthraite stack in 1853.

[00:32:00]It ran for about a decade and then failed. The original charcoal stack came back into service for the final 20 years of the plantation's life as a small specialty producer, mostly of stove castings. Then the demand for those castings collapsed, too, and the workers walked away. The village emptied, the forest grew back. The cast house roof rotted. The tenant cabins came down. The brick of the iron master's mansion held.

[00:32:28]The stone of the stack held. And the place sat quiet for 55 years until the National Park Service arrived in 1938 and began the slow work of preserving what was left. I have walked the Hopewell Furnace site three times now.

[00:32:44]The first time I went, I went looking for the master's house and the stack.

[00:32:49]The second time I went, I went looking for the village. The third time I went, I went looking for the woods, the charcoal hearths, the places where the collars slept in their huts for a week at a time, watching their mounds smolder. The hearths are still there.

[00:33:04]They are not marked. They are not advertised on the trail map. You have to know where to look. They are round patches of dark soil in the second growth forest where the leaf litter is thinner than the surrounding ground because the soil under your feet is still impregnated with charcoal dust from a burn that ended 140 years ago.

[00:33:24]You stand on one of those round patches and you understand a man lived here. A man lived in a small wooden hut next to this circle day and night for a week while a mound of oak and hickory smoldered into charcoal beside him. He made about $2 a cord. He went home with his clothes black, his lungs gray, his hands cracked, and then he came back the next week and did it again. These men are not in the textbooks. They are not on the historical markers. The ledger gives a number, not a name. But the stack stands because they stood. The stone tower at Hopewell, the twin stack at Fitchburg, the three stacks at Tanahill, the 19 stone sentinels of the Hanging Rock region, the four stacks of Mount Tory and Van Beern and Washington and Buenav Vista in the forests of Virginia. Every one of them stands because for 10 months of every year, for decades, men cut wood and burned charcoal and fed the throat and tapped the arch and never stopped. America built those stacks. America fed those stacks.

[00:34:29]And when the fire finally went out, the stacks stayed where they were because they had been built to last by men who built things to last. That is the inheritance. That is what we walk through when we walk those trails today.

[00:34:42]That is what I came to honor. One more thing before you go. Every name I find, every number, every record, I am collecting it all into a series of books so these men are not forgotten again.

[00:34:54]Volume one is available right now.

[00:34:56]Scan the code on your screen or follow the link in the description. See you in the next one.