
The Potomac River corridor serves as the central artery for this mid-century survey, defining the border between Frederick County, Maryland, and Loudoun County, Virginia. The landscape is dominated by the linear industrial and transportation paths of the Baltimore and Ohio railroad and the Chesapeake and Ohio Canal, which parallel the river's northern bank. Significant river features like Heaters Island and Paton I are charted near the village of Point of Rocks, while the steep slopes of Catoctin Mountain rise abruptly to the east. The map records a transition from the dense rail yards at Brunswick to scattered agrarian settlements and milling sites, such as Bells Mill on Catoctin Creek. Local social geography is anchored by rural landmarks including St Marks Church and the small community of Slabtown.
32 named features on this map. Tap any name to fly to it.
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2 editions found
1884 · Harpers Ferry
USGS Topo · 1:125,000
1891 · Harpers Ferry
USGS Topo · 1:125,000
1893 · Frederick
USGS Topo · 1:125,000
1893 · Harpers Ferry
USGS Topo · 1:125,000
1894 · Frederick
USGS Topo · 1:125,000
1908 · Middletown
USGS Topo · 1:48,000
1908 · Seneca
USGS Topo · 1:62,500
1908 · Ijamsville
USGS Topo · 1:62,500
1909 · Ijamsville
USGS Topo · 1:62,500
1910 · Antietam
USGS Topo · 1:62,500