In this activity, developed by the Lane Community College MAPS GIS Program, students are asked to investigate the distribution of Chinook salmon in the Columbia River basin using GIS technology and web-based maps. The...

Aquifer basics outlining the makeup of the basin and range aquifers. Description and maps of unconsolidated sand and gravel aquifers. This site consists of information for the Southwestern portion of the United States,...

This site, produced by the United States Geological Survey, is all about aquifers. Many different types of aquifers are addressed, these include: sand and gravel, sandstone, sandstone and carbonate, carbonate-rock, and...

In this activity, students will develop an understanding of the dynamics of ground water; understand the interrelations between ground water and surface water; and increase their knowledge of surficial and bedrock...

Archaeology, the Archaeological Institute of America primary publication, offers some of the magazine's content on their website, including news of events, links to other sites of archaeological interest, writing...