Geological Survey (U.S.)

Subjects

Coal mines and mining, Geology, Maps, Strip mining, Mines and mineral resources, Environmental impact analysis, Reclamation of land, Coal leases, History, Earthquakes, Environmental policy, Environmental protection, Geological Survey (U.S.)., Groundwater, Management, Natural resources, Phosphate industry, Phosphate mines and mining, Public lands, Water quality, Water resources development, Appropriations and expenditures, Atlases, Authorship, Boston Metro Area

Places

Montana, United States, Big Horn County, Wyoming, Campbell County, Colorado, Idaho, Massachusetts, Powder River Basin (Wyo. and Mont.), Alaska, Ameilia Region (Va.), Amelia County (Va.), Amelia Court House (Va.), Arctic regions, Arizona, Black Ridge Canyon (Colo.), Caballo Mine (Wyo.), California, Chesterfield County (Va.), Cumberland County (Va.), Daviess County (Ky.), Dinwiddie County (Va.), Farmville Region (Va.), Front Range Region (Wyo. and Colo.), Hancock County (Ky.)

People

F. V. Hayden (1829-1887), Hanks family