1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing physiographic features such as bluffs or cliffs located throughout current Vmap1 geographic cove...
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1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing cave features located throughout current Vmap geographic coverage areas. Objects in this layer have...
1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing embankments or fills located throughout current VMap1 geographic coverage areas. Features in thi...
1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing areas of land ice such as glaciers, snow and ice fields located throughout current VMap1 geograph...
1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing landform features such as Crevices (Crevasses), faultlines and ice cliffs located throughout cur...
1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing rock formations located throughout current VMap1 geographic coverage areas. Features in this layer ...
1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing landforms located throughout desertified or arid regions found in current VMap1 geographic covera...
1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing mines and quarries located throughout current VMap1 geographic coverage areas. Features in this lay...
1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing mines (including salt mines or evaporation ponds) and quarries located throughout current VMap1 g...
1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing mountain passes located throughout current VMap1 geographic coverage areas. Features in this layer ...