
Boyds and Germantown anchor this mid-century survey of upper Montgomery County, where the Baltimore and Ohio railroad cuts through a landscape defined by rolling agricultural tracts and the deep valleys of Great Seneca Creek. The map documents a rural society in transition, showing established crossroads like Clarksburg and Dawsonville before the intensive suburban expansion of later decades. A significant engineering detail is the Lake Under Construction on Little Seneca Creek, capturing the precise moment this landmark water feature was being formed. Local history is deeply embedded in the rural infrastructure, from the Taylor Sch and Asbury Ch to the remnants of earlier industry found at Seneca Mill and Blackrock Mill. Several small hamlets such as Burdette, Blocktown, and Slidell are clearly marked along the winding network of county roads.
49 named features on this map. Tap any name to fly to it.
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6 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 · Germantown
USGS Topo · 1:31,680