You searched for: Subject imageryBaseMapsEarthCover Remove constraint Subject: imageryBaseMapsEarthCover Data type Polygon Remove constraint Data type: Polygon Year 1864 Remove constraint Year: 1864
1864. Harvard University. Center for Geographic Analysis. Coastal islands during the US Civil War in the Confederate States. Vector data extracted from digital map provided by the Library of Congress at ht... Library of Congress, Geography and Map Division.