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Geology and coal resources of the Starkville-Weston area, Las Animas County, Colorado /

By Wood, Gordon H..
Washington, [D.C.] : U.S. G.P.O., 1957 .
v, 68 p. : , Ten folded leaves in pocket. | Bibliography: p. 64-66. | Includes index. 24 cm..

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Geology of the west-central part of the southern anthracite field and adjoining areas, Pennsylvania,

By Wood, Gordon H..
Washington, U.S. Govt. Print. Off., 1969 .
vi, 150 p. , Part of illustrative matter fold. in pocket. 29 cm..

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