The GRASS GIS Homepage Web site offers the free Geographical Information System (GIS) software that was originally created as a tool for land management and environmental planning for the military. Geographic Resources...

This online exhibit features a selection of various types of maps from the collections of the Library of Congress and the American Congress on Surveying and Mapping (ACSM). Map types include survey maps such as the...

This new research report from the National Institute of Justice (NIJ) and the Crime Mapping Research Center (CMRC) (reviewed in the August 10, 1999 Scout Report for Social Sciences) offers a detailed introduction to the...

ShakeMaps, a product of the United States Geological Survey (USGS) Earthquake Hazards Program, are near-real-time maps of ground motion and shaking intensity that are produced following significant earthquakes. They...

In this activity, students will learn the more advanced mapping skills of calculating back azimuths and triangulation. Using a local 7.5-minute series map, the teacher will select a starting point and an obstacle, have...