Digital information in a format suitable for direct input to software that can analyze its meaning in the scientific, engineering, or business context for which the data were collected.
GIS data set from the USGS National Landslides Hazards Program showing major landslide events in the United States and Puerto Rico with metadata. Map layer can be downloaded in shapefile format or SDTS format.
One of many map layers of the National Atlas giving county boundaries with metadata. The county boundaries map layer can be downloaded in shapefile or SDTS formats.
Description of the work and results of a cruise by the Pacific Sea Floor Mapping project to map the Long Beach, California continental shelf based on data from high-resolution multibeam technology.
Includes hydrographic information from 2000 to last seven days, water-quality data, elevation, area, and capacity data and publications on Devils Lake, North Dakota in the Red River of the North basin.
Description of Digital Line Graphs (DLG) with explanations of layers and feature types, scales, available products, media, prices, and links to search and order webpages.
Maps of the ranges of tree species in North America compiled by Elbert Little and others were digitized for use in USGS vegetation and climate modeling studies. Can be downloaded as ArcView shapefiles and in PDF graphic files.
Modified version of paper by F.T. Manheim and A.G. McIntire, Civil Engineering Practice, Vol. 13, No. 1, pp. 35-48 (1998). A new shoreline file has been created for Boston Harbor by digitizing and combining the most recent charts.
Drought water homepage with links to maps showing streamflow conditions, drought definitions, resources, publications, and answers to Frequently Asked Questions (FAQs).
U.S. Department of the Interior |
U.S. Geological Survey