Union Dam USGS Ellicott City Quad, Maryland, Topographic Map

Union Dam is a Dam in the state of Maryland (county of Baltimore), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 39.29511 and W -76.7797. Union Dam is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Ellicott City quad. The nearest major town is Baltimore, MD.