Glen Arm in Baltimore County, Maryland — The American Northeast (Mid-Atlantic)

Gunpowder Copper Works

1804 - 1883

Photographed By Beverly Pfingsten, July 29, 2007

1. Gunpowder Copper Works 1804 - 1883 Marker

Inscription. Levi Hollingsworth built a mill here to roll and fabricate refined blocks of copper that were shipped to Baltimore from Wales and hauled to the mill by oxcart. The copper used for the roofing of the original dome of the Capitol was rolled and fabricated here.

Erected 1967 by Baltimore County Historical Society.

Topics. This historical marker is listed in these topic lists: Industry & Commerce • Natural Resources.

Location. 39° 25.371′ N, 76° 29.754′ W. Marker is in Glen Arm, Maryland, in Baltimore County. Marker is on Harford Road (Maryland Route 147) 0.2 miles north of Factory Road, on the right when traveling north. Touch for map. Marker is in this post office area: Glen Arm MD 21057, United States of America. Touch for directions.

Other nearby markers. At least 8 other markers are within 3 miles of this marker, measured as the crow flies. Indian Rock (approx. 1.8 miles away); Germantown (approx. 1.9 miles away); The Baltimore Embroidery / The Tanner Homestead (approx. 1.9 miles away); Perry Hall (approx. 2.2 miles away); Merrick Log House (approx. 2.6 miles away); Jenifer Kiln (approx. 2.6 miles away); Risteau Kiln (approx. 2.6 miles away); The Balancing Reservoir (approx. 2.6 miles away).

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Copper Works Building image. Click for full size.

Photographed By Beverly Pfingsten, July 29, 2007

2. Copper Works Building

Sign on Building image. Click for full size.

Photographed By Beverly Pfingsten, July 29, 2007

3. Sign on Building

Dwelling across from the Copperworks image. Click for full size.

Photographed By Beverly Pfingsten, July 29, 2007

4. Dwelling across from the Copperworks

Credits. This page was last revised on August 29, 2020. It was originally submitted on July 29, 2007, by Bill Pfingsten of Bel Air, Maryland. This page has been viewed 3,062 times since then and 38 times this year. Last updated on July 1, 2020, by Carl Gordon Moore Jr. of North East, Maryland. Photos: 1, 2, 3, 4. submitted on July 29, 2007, by Bill Pfingsten of Bel Air, Maryland.