1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing aqueducts and canals located throughout current Vmap geographic coverage areas. Objects in this ...
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1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing aqueduct features such as canals and shafts. Objects in this layer have FACC (Feature and Attribute...
1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing coastal hydrography located throughout current Vmap geographic coverage areas. Features in this l...
1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing dams and weirs located throughout current VMap1 geographic coverage areas. Features in this laye...
1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing dams and weirs located throughout current VMap1 geographic coverage areas. Features in this layer h...
1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing coverage representing fords throughout current VMap1 geographic coverage areas. Features in this...
1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing fords throughout current VMap1 geographic coverage areas. Features in this layer have an FACC (Feat...
1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing Hydrographic Void Collection Areas, areas lacking suitable source coverage, or where data is not ...
1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing land areas which are subject to inundation (flooding) located throughout current VMap1 geographic...
1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing lakes, ponds and reservoirs located throughout current VMap1 geographic coverage areas. Features ...