U.s. coal reserves - energy information administration, in the united states, coal resources are larger than remaining natural gas and oil resources, based on total british thermal units (btus). the actual proportion of coal resources that can be recovered from undisturbed deposits varies from less than 40% in some underground mines to more than 90% at some surface mines. in some underground. Coal mining in the united states - wikipedia, coal mining in the united states is an industry in transition. production in 2016 was down 37% from the peak production of 1,162.7 million tons (about 1054.8 million metric tonnes) in 2006. but production from strip mines utilizing thick deposits in the western united states such as the powder river basin in northern wyoming and southern. Usgs minerals information: map data, the locations of 1,879 coal mines and facilities, 8 uranium mines, and 1,965 mines and processing plants for 74 types of nonfuel minerals and materials are shown with symbols on both a large multicolored lithologic map and eight smaller maps.. Coal deposits of the united states - usgs, the coal fields of the unites states can be divided into six major provinces. the appalachian and interior provinces contain dominantly bituminous coal in strata of pennsylvanian age. the coal seams are relatively thin and are mined both by surface and underground methods. sulfyur content is low to. Interactive map of coal resources in the united states, interactive map of coal resources in the united states pdf version the u.s. geological survey's national coal resources data system comes with an interactive map that provides a huge amount of information on the distribution, thickness, and classification of coal in the united states.. Coal fields of the conterminous united states - usgs, "coal fields of the conterminous united states" is a digital representation of james trumbull's "coal fields of the united states" (sheet 1, 1960), which is an adaptation of previous maps by averitt (1942) and campbell(1908). it is intended to be the first in a series of open file reports that will. Coal assessments - homepage, usgs: energy resources program, find data usgs energy data finder: download gis and tabular data, databases, geospatial web services (arcgis, wms, kml). Usgs mineral resources on-line spatial data, estimates of the number and size of undiscovered mineral deposits in the us containing gold, silver copper, lead, and zinc. we have no comprehensive database of coal mines, but can provide links to some online resources. geologic map of the united states, originally published at a scale of 1:2,500,000. it excludes alaska and hawaii.