This online resource for GIS and geospatial data has compiled data from a wide range of GIS Web sites located on the Internet. Some of the data is free once you set up a user account to be part of the GeoCommunity, with additional data available for a fee using the Premium option. Downloading may require the user to be proficient in GIS and own relevant software. Download options include: Digital...

If your research or interests lie in the geology of South Dakota, then the state's Geological Survey Program Web site is for you. Offered are online publications and maps, a geologic reference database, a lithologic logs database, digital base maps, a water quality database, and several other quality information sources worth checking out.

The Structural Geology Resources Collection at Carleton College presents a wide cornucopia of material, and this latest addition adds another new facet to their collection. These two new resources utilize Google Earth in order to help college students learn about geologic map interpretation, and they were created by Barbara Tewskbury at Hamilton College and Charlie Onasch at Bowling Green State...