
Damascus serves as a central hub on this mid-century survey, situated at the intersection of several critical ridges where Montgomery, Howard, Carroll, and Frederick counties converge. The geography is defined by the headwaters of major drainage systems, including the Patuxent River, South Branch Patapsco River, and Great Seneca Creek, which originate in the high ground near Parrs Spring. The northeastern corner is anchored by the rail corridor of the Baltimore and Ohio, where the town of Mount Airy sits along the county line.
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5 editions found
1893 · Frederick
USGS Topo · 1:125,000
1894 · Frederick
USGS Topo · 1:125,000
1908 · Rockville
USGS Topo · 1:62,500
1908 · Seneca
USGS Topo · 1:62,500
1908 · Ijamsville
USGS Topo · 1:62,500
1909 · Mount Airy
USGS Topo · 1:62,500
1909 · Ijamsville
USGS Topo · 1:62,500
1923 · Rockville
USGS Topo · 1:62,500
1942 · Frederick
USGS Topo · 1:62,500
1944 · Walkersville
USGS Topo · 1:31,680