The US Geological Survey (USGS) performs a wide variety of tasks related to the environment including data acquisition for use in geographical information systems. This data set provides elevation data for the contiguous US, Hawaii, and Alaska. Data are in one-by-one degree blocks and available via an online interface or by ftp download (instructions provided in the User Guide). Specific data can...

For those with an interest in historical US maps, this site will be of value. Ray Sterner of the Johns Hopkins University has relaunched his Color Landform Atlas of the United States (discussed in the January 17, 1997 issue of the Scout Report). The highlight of this relaunch is the availability of 1895 Rand McNally state maps (for twenty-nine states at present). These maps are very large (usually...

For those interested in map information, National Geographic's Map Machine is an effective place to start. Map Machine's Atlas allows users to click on a world map or on continent or country menus to retrieve country maps, with concise information and flags. There are also selected area maps available, created from weather satellite data, as well as political and physical maps and a Macromedia...

The US Geological Survey maintains maps of geological and environmental features in the US. Now, finding a map has been made easier through the creation of Online Map Lists, a list that provides information exclusively on USGS published topographic maps and a small number of related maps. Researchers, students, and map enthusiasts may view or search for maps by state, specific map name, or...