Maryland Mine and the Toms Run Quarry reflect the industrial heritage of this Potomac River landscape, where the Maryland and Virginia borders meet near the Mather Gorge. The river is defined by a dense archipelago including Offutt Island, Herzog Island, and Plummers Island, bordered by the Clara Barton Pkwy and George Washington Memorial Pkwy.
197 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1890 · Mt. Vernon
USGS Topo · 1:125,000
1891 · Mt. Vernon
USGS Topo · 1:125,000
1893 · Frederick
USGS Topo · 1:125,000
1894 · Frederick
USGS Topo · 1:125,000
1894 · Mt. Vernon
USGS Topo · 1:125,000
1897 · Mt. Vernon
USGS Topo · 1:125,000
1900 · Washington
USGS Topo · 1:62,500
1908 · Rockville
USGS Topo · 1:62,500
1908 · Seneca
USGS Topo · 1:62,500
1915 · Fairfax
USGS Topo · 1:62,500