This map viewer lets users access hydrologic data for the State of Colorado, provided by the Colorado Division of Water Resources (CDWR). The map features switchable layers that display rivers, lakes and reservoirs,...

This site from SERC's Starting Point describes the creation of specialized maps for lab or lecture locations within the United States using the Terraserver site, a collaboration between the USGS and Microsoft. The site...

This site from SERC's Starting Point describes how to develop site-specific maps that relate to lecture, discussion, lab, or exercise topics. The creation of site-specific maps can help students better understand spatial...

This viewer lets users see near real-time images from the Landsat 5 Thematic Mapper (TM) and Landsat 7 Enhanced Thematic Mapper Plus (ETM+). When a Landsat satellite passes within range of the ground station at the USGS...

This collection of images, published by the United States Geological Survey (USGS) Earth Resources Observation and Science (EROS) division, records events of historic significance, beautiful sights or images that stir...