
Large federal research facilities and educational institutions dominate the landscape of Prince George's and Montgomery counties during the mid-1960s. The U S Dept of Agriculture Research Center and the U S Naval Ordnance Laboratory occupy massive tracts of land, illustrating the post-war expansion of government infrastructure in the Washington D.C. suburbs. Extensive residential developments like Windham Manor and Valley Stream Estates are shown alongside active industrial zones, evidenced by numerous Gravel Pits and Sand and Gravel Pits concentrated near Muirkirk.
171 named features on this map. Tap any name to fly to it.
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5 editions found
1890 · Mt. Vernon
USGS Topo · 1:125,000
1891 · Mt. Vernon
USGS Topo · 1:125,000
1892 · Laurel
USGS Topo · 1:62,500
1893 · Frederick
USGS Topo · 1:125,000
1894 · Laurel
USGS Topo · 1:62,500
1894 · Frederick
USGS Topo · 1:125,000
1894 · Mt. Vernon
USGS Topo · 1:125,000
1897 · Laurel
USGS Topo · 1:62,500
1897 · Mt. Vernon
USGS Topo · 1:125,000
1899 · Patuxent
USGS Topo · 1:125,000