1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a point coverage representing a wide variety of cultural landmark features located throughout DCW (Digital Chart of the World) ge... National Imagery and Mapping Agency.
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1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing various utility features found throughout DCW (Digital Chart of the World) geographic coverage a... National Imagery and Mapping Agency.