http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Map showing potentially strippable coal beds in eastern Oklahoma
4 maps : color ; 114 x 88 cm. or smaller, folded in envelope 30 x 25 cm.
Plate 1, Northern segment -- Plate 2, Central segment -- Plate 3, Southeastern segment -- Plate 4, Southeastern segment.
by Samuel A. Friedman, assisted by Ronald J. Woods ; Oklahoma Geological Survey ; prepared in cooperation with Oklahoma Department of Mines.
Includes "Generalized geologic column" and index map showing mapped area.
Map (Oklahoma Geological Survey) ; GM-23