The 11,000 acres of forest that powered Maryland’s revolutionary furnace

The Johnson Brothers’ Industrial Empire at Catoctin Mountain

Catoctin Mountain once roared with industry before it became a park.

In 1776, the Johnson brothers fired up their iron furnace as the Revolution began, crafting tools and the famous Catoctin stove.

Each day, the hungry furnace ate an acre of trees, eventually consuming over 11,000 acres of forest. Meanwhile, a whole village grew around it, with workers of all kinds, including more than 80 enslaved Africans.

Later, mountain folks turned to moonshine, with the massive Blue Blazes Still supplying speakeasies across the East Coast until a deadly 1929 raid shut it down.

The story of this worn-out land, now reborn as Catoctin Mountain Park, awaits on trails that lead to remnants of America’s industrial past.

Four Brothers Started an Iron Empire in Maryland’s Mountains

The Johnson brothers saw money-making chances in Maryland hills in 1774.

James, Baker, Roger, and Thomas bought land near Catoctin Ridge and built an iron furnace that changed the area.

By 1776, they made tools, household items, and the popular ten-plate Catoctin stove that kept people warm in winter. Thomas later became Maryland’s first governor.

They picked this spot because it had iron ore, limestone, a stream for power, and thick forests.

The Furnace Helped Win the Revolutionary War

Catoctin Furnace helped America fight for freedom. In 1780, workers made 958 ten-inch bombshells weighing over 31 tons for George Washington’s army.

These heavy iron weapons helped the Americans win at Yorktown in 1781 against the British. The furnace showed how important American-made iron was during the war.

People wanted things made with Catoctin iron because they lasted.

Enslaved Workers Built the Iron Industry

The Johnson brothers forced more than 80 enslaved people to work at their iron operation. Men like Collier Sam and Waggoners Henry and Harvey did skilled jobs that kept the furnace running all day and night.

African Americans made up about half the workforce, with many brought from Africa for their iron-working knowledge. These workers also took care of vineyards and farms around the furnace complex.

A Whole Village Grew Around the Furnace

The iron business needed many workers, so a community grew around the furnace.

The village had a charcoal house, casting house, foundry, forge, stables, wagon sheds, sawmill, store, and church. The owners built houses for miners, colliers, furnace fillers, founders, foremen, and other workers.

At its busiest, the place had three furnaces, a gristmill, a school, and eighty houses across 11,350 acres. John Brien, a rich Irish immigrant, built Harriet Chapel after buying the furnace in 1820.

Trees Vanished to Feed the Hungry Furnace

The iron furnace used up trees fast. Every day, workers cut down a full acre of forest just to make enough charcoal to keep the furnace hot. Over 127 years, the furnace owners used more than 11,000 acres of trees.

The mountainsides became bare as workers chopped down more trees to meet the growing need for iron. Colliers became experts at controlled burns to make high-quality charcoal.

The Iron Business Finally Went Cold

The owners tried to keep up with new times. They built a second furnace in the 1850s that used charcoal, then a third one in 1873 that burned coal instead.

But big companies with better technology, transportation, and market access pushed them out. They tried once more with a furnace called “Deborah,” but it lost money from the start.

By 1903, Catoctin Furnace closed for good. Workers took it apart two years later.

Mountain Folks Turned to Moonshine for Cash

When jobs got scarce, local families found other ways to make money. Many made illegal whiskey in hidden stills throughout the mountains.

The rough land worked well for hiding these operations near streams with plenty of water. Making whiskey went back to the first settlers in the early 1700s, so many families knew how to do it.

When Prohibition started in 1920, demand for illegal alcohol grew, and many mountain families cashed in.

Blue Blazes Became the Biggest Moonshine Operation Around

The Blue Blazes Still grew into a moonshine empire during Prohibition. This wasn’t a small backyard setup.

The operators used a steam locomotive boiler and thirteen 2,000-gallon fermenting vats to make lots of whiskey. They made enough moonshine for speakeasies in Philadelphia, Baltimore, and Washington, DC.

The spot near the railroad made it easy to ship their product to thirsty customers in big cities without getting caught.

A Deadly Raid Shut Down the Moonshine Business

Deputy Sheriff Clyde Hauver got a tip about the Blue Blazes Still on July 31, 1929. He led a team to raid the operation but things went wrong fast.

Someone shot Hauver in the back of the head during a fight with the moonshiners. He died, becoming the first Frederick County law officer killed on duty.

Officers found more than 25,000 gallons of mash ready to become whiskey. The big operation ended violently.

The Land Gave Out After Years of Abuse

By the 1920s and 30s, the mountains looked nothing like before.

Years of cutting trees for charcoal, logging, farming, and stripping bark for tanning left the land bare and worn out. The soil got so poor that crops barely grew.

The forests that once covered the mountains only lived in old folks’ memories. Jobs went away as the land became too empty to support the old ways people had made a living.

The Government Stepped In to Save the Mountains

In 1936, the federal government bought over 10,000 acres of what they called “submarginal land” that nobody wanted anymore.

They created the Catoctin Recreational Demonstration Area to bring the depleted landscape back to life.

The Works Progress Administration and Civilian Conservation Corps hired local men to build facilities and plant trees.

The northern section became Catoctin Mountain Park, while the southern portion turned into Cunningham Falls State Park.

The mountains that once fueled an industrial empire got a second chance as a place for people to enjoy nature.

Visiting Catoctin Mountain Park, Maryland

Catoctin Mountain Park at 6602 Foxville Road in Thurmont preserves the history of families who made charcoal, iron, and moonshine here for over 150 years.

You can visit for free and explore the visitor center from 9 a.m. to 4:30 p.m. daily. Walk the 0.6-mile Blue Blazes Trail to learn about the 1929 police raid. The visitor center has a hands-on log cabin building and an FDR fireside chat audio.

This article was created with AI assistance and human editing.

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