Figure 24. Photograph of a coal strip-mine highwall exposure of
a thick lens-shaped parting, possibly a floodwater overflow (see
fig. 9) in the Upper Freeport coal bed, central Appalachian basin.
Photograph by Mark Scanlon (Canyon Fuel Co., LLC, Price,
Utah) in Atlas of Coal Geology, American Association of
Petroleum Geologists (AAPG) Studies in Geology No. 45 (Papp
and others, 1998); AAPG copyright 1998, reprinted by permission
of the AAPG, whose permission is required for further use.
U.S. Department of the Interior, U.S. Geological Survey
For more information, contact Stanley Schweinfurth
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