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Title A critical review of published coal quality data from the southwestern part of the Powder River Basin, Wyoming [electronic resource] / by James A. Luppens.
Imprint Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, [2011]


 Internet  Electronic Report    AVAILABLE
Description 1 online resource (iii, 23 p.) : col. ill., col. maps.
Series Open-file report ; 2011-1148.
U.S. Geological Survey open-file report ; 2011-1148.
Note Title from title screen (viewed on Sept. 13, 2011).
Bibliog. Includes bibliographical references (p. 21-23).
Subject Coalfields -- Powder River Basin (Wyo. and Mont.) -- Quality control.
Coal -- Powder River Basin (Wyo. and Mont.) -- Analysis.
Other Author Geological Survey (U.S.)