This is part of the U.S. Geologic Survey's Water Science for Schools website. It consists of a set of links to other parts of the site dealing with groundwater-related topics such as groundwater flow and distribution, trends in groundwater use, importance of groundwater, and groundwater quality. Graphic illustrations and photographs are provided. Full description.

Geomorphology from Space is an out-of-print 1986 NASA publication designed for use by the remote sensing, science, and educational communities to study landforms and landscapes. Users can access a gallery of images consisting of 237 plates arranged by particular types of landforms such as tectonic, volcanic, planetary, and others. Photographs, locator maps, and sometimes a geologic map accompany the ... Full description.

Watersheds are those land areas that catch rain or snow and drain to specific marshes, streams, rivers, lakes, or to ground water. This site allows users to locate their watershed by city, county, state, or region. Links provide information about stream flow, water use, conservation efforts, demographics, forest riparian habitats, science in your watershed, water discharges, and assessment of watershed ... Full description.

Users of this interactive world atlas can navigate to the desired continent or country and produce maps in either GIF or PDF formats, which are suitable for printing or copying. The atlas is produced by National Geographic Magazine's "Xpeditions" program, an endeavor to introduce geography into the classroom. Full description.

Users of this reference can access extensive information on each country, including maps, geographic data, environmental problems, and economic data. The factbook is searchable by country or by keyword. Full description.

This collection of images was acquired by astronauts as they flew various missions on the space shuttle and the International Space station. The collection is searchable by geographic location (an interactive map), landforms, human-created features, weather phenomena, water habitats, and others. The images are available in three resolutions and include cataloging data and a caption. Full description.