Stocks of anything naturally occurring that have a beneficial use for man including economic, nutritional, recreational, aesthetic, and other benefits.
Searchable database, the COALQUAL database, presented here and in the USGS Open-file Report 97-134, is a subset of samples contained in the NCRDS (National Coal Resources Data System) database, and contains coal quality data on each sample.
Searchable database for locating information on coal resources by area, coalfield, coalbed, rank, quadrangle, source, years, or characteristics of thickness, overburden, and reliability.
The USGS National Research Program for water resources supports hydrologic research in support of the mission of the U.S. Geological Survey. Site provides links to search for current projects and for postdoctoral opportunities.
Distribution and characteristics of natural oil and gas seeps in California, including processes of formation and effects on the environment; with discussion of tar pits and asphaltum.
Retrieval system to locate websites on publications and compilations on biological resources. Searches can be made by type, such as checklists, distribution, and regional overviews, by taxon, and by geography, including global, U.S., and Canada.
List of publications in the series Techniques of Water-Resources Investigations on the procedures for the planning and conducting of specialized research in water resources.
U.S. Department of the Interior |
U.S. Geological Survey