
Union Bridge serves as the industrial and social hub of this rural Maryland landscape, where the Penn Central and Western Maryland railroads intersect. The terrain is defined by the winding course of Big Pipe Creek and Little Pipe Creek, which supported a series of local milling operations such as Crouse Mill, Otterdale Mill, and Simpsons Mill. These water-powered sites, alongside the Copper Mine near Johnsville, illustrate the area's transition from early agrarian industry to mid-century rail-dependent commerce.
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3 editions found
1893 · Frederick
USGS Topo · 1:125,000
1894 · Frederick
USGS Topo · 1:125,000
1908 · Ijamsville
USGS Topo · 1:62,500
1909 · Mount Airy
USGS Topo · 1:62,500
1909 · Ijamsville
USGS Topo · 1:62,500
1911 · Taneytown
USGS Topo · 1:62,500
1911 · Emmitsburg
USGS Topo · 1:62,500
1942 · Frederick
USGS Topo · 1:62,500
1942 · Gettysburg
USGS Topo · 1:125,000
1943 · Emmitsburg
USGS Topo · 1:62,500