GeoData @ UCB

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1. Global GIS : geologic provinces of the world

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.

2. MassGIS 2003 Massachusetts Soils (Polygons) (December 2000)

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).