Defines what a mineral deposit is and how a mineral deposit is identified and measured, how mineral resources are extracted, and how a mine site is reclaimed; how minerals are processed; and how we use minerals in everyday life.
Topics in Coastal and Marine Sciences provides background science materials, definitions, and links to give a common context for users from a variety of backgrounds. Coastal erosion was chosen as the first topic.
Homepage for the U.S. Geological Survey, Department of the Interior, serving as portal to all USGS information with search options, USGS in the news, most frequently requested topics, and access to major categories of USGS information.
Homepage for the USGS library system with links to the four libraries of the system, online catalog, forms to request information, photo archive, new acquisitions lists, and links to other useful sources of information.