Lock 23 USGS Seneca Quad, MD,VA, Topographic Map
Lock 23 is a Dam in the state of (county of Montgomery), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 39.06705 and W -77.32848. Lock 23 is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Seneca quad. The nearest major town is Potomac Falls, VA.
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