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Start Over Subject Contours (Cartography) Year 1992 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. DCW Hypsography Lines, Supplemental

Datasets Harvard University Public content
1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing hypsographic features (contour lines) located throughout DCW (Digital Chart of the World) geogra... National Imagery and Mapping Agency.