You searched for: Format Shapefile Remove constraint Format: Shapefile Subject geoscientificInformation Remove constraint Subject: geoscientificInformation Institution Harvard Remove constraint Institution: Harvard Data type Polygon Remove constraint Data type: Polygon Year 2000 Remove constraint Year: 2000
2000. American Geological Institute. This shapefile includes arcs and polygons that describe U.S. Geological Survey defined geologic provinces of the World. Each province has a set o... American Geological Institute.
2000. MassGIS (Office : Mass.). This datalayer contains polygons representing soil survey areas for a portion of the state of Massachusetts (see also Soils (Arcs)). The soils dat... Office of Geographic and Environmental Information (MassGIS).