This portal provides access to lessons and information about using Global Positioning Systems (GPS) in education. Materials include ideas for teaching and using GPS in educational curricula; websites, books, and other tools; and information on how to set up and use a GPS reciever. There is also information about setting up and using a compass with a topographic map and on converting GPS coordinates ... Full description.

This teacher packet uses Landsat satellite imagery to teach about changes over time. Materials include a lesson plan in which students examine four sets of images from different locations and times to see how the landscapes have changed. Links are provided to Multispec software, which is used to process the imagery, to the image sets, to national standards applied to the activity, and to background ... Full description.

This report provides a review of significant changes that occurred during the twentieth century in industries requiring use of metals and industrial minerals. It includes a timeline and a summary that discusses major achievements in mineral production and events that affected the U.S. mineral industry. These events are related to overall U.S. mineral consumption and years of war or recession. Full description.

This site is the homepage of the United States Geological Survey's (USGS) Coastal and Marine Geology Program. Materials available here include links to news articles and publications, topics of study, and regions of study. Search choices include topic, region or content type (research project, educational material, datasets, etc.). Study topics are grouped by coastal issues, marine/deep sea issues, ... Full description.