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This map layer includes refractory, abrasive, and other industrial minerals operations in the United States. The data represent commodities covered by the Minerals Information Team (MIT) of the U.S. Geological Survey, and the operations are those considered active in 2003 and surveyed by the MIT. This is a revised version of the June 2004 map layer.
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Outlines of areas mined for the Springfield coal in Illinois as of January 1, 1996. This information was extracted from detailed coal mine data stored in the ISGS Coal Section library database. Lines delineate the approximate outer boundary of individual mines (if known) or general mined areas. Interior mine boundaries such as pillars or small blocks of unmined coal are commonly not depicted. Outlines have been compiled from a variety of sources. Outlines of areas mined before 1987 are commonly from source maps at scales of 1:62,500 or smaller. Outlines of areas mined since 1987 are commonly digitized at scales ranging from 1:4800 to 1:12,000. Mines whose extent is not known or which only mined a few acres are not...
Categories: Web Site; Tags: 17005 = Bond, 17011 = Bureau, 17017 = Cass, 17019 = Champaign, 17021 = Christian, All tags...


map background search result map search result map Mined areas of the Springfield Coal in Illinois Refractory, Abrasive, and Other Industrial Minerals Operations Idaho Geological Survey mine property ID:  CH0575 Idaho Geological Survey mine property ID:  CH0578 Idaho Geological Survey mine property ID:  CH0588 Idaho Geological Survey mine property ID:  CH0595 Idaho Geological Survey mine property ID:  CH0597 Idaho Geological Survey mine property ID:  CH0599 Idaho Geological Survey mine property ID:  CH0918 Idaho Geological Survey mine property ID:  CH0943 Idaho Geological Survey mine property ID:  CH0955 Idaho Geological Survey mine property ID:  CH0962 Mined areas of the Springfield Coal in Illinois Refractory, Abrasive, and Other Industrial Minerals Operations