Coal resources, stratigraphy, geochemistry, coal quality and geology of Tertiary coal beds and zones in the northern Rocky Mountains and Great Plains regions. Text in PDF format and available on CD-ROM.
We estimate mean volumes of 896 million barrels of oil and about 53 trillion cubic feet of nonassociated natural gas in conventional, undiscovered accumulations within this area, a reduction of our 2002 estimate due to new geologic information.
We mapped substantial migration of the river channel between the City of Winslow and the Navajo Nation community of Leupp; in a human lifetime the river has moved more than a mile across its valley floor.
Homepage of the Abandoned Mine Lands (AML) initiative programs supporting actions to remedy contaminations associated with hard rock mining. Includes data from the Upper Animas River and Boulder River, bibliography of reports, and pictures.
Main page for accessing links for information and data on the San Francisco Bay estuary and its watershed with links to highlights, water, biology, wetlands, hazards, digital maps, geologic mapping, winds, bathymetry and overview of the Bay.
Brief descriptions, contacts, and links to other information and products for research programs of the USGS Central Energy Team on gas hydrates, petroleum expulsion, unconventional natural gas, petroleum systems, and reserve growth.