Showing 1 - 3 of 3 for search: 'Powell, James A.', query time: 0.05s
by Powell, James A.
Published: U.S. Dept. of the Interior, Bureau of Mines, 1976
Description: 3 unnumbered pages, 8 pages : illustrations ; 27 cm.
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by Powell, James A.
Published: U.S. Dept. of the Interior, Bureau of Mines, 1976
Description: 3 unnumbered pages, 15 pages : illustrations ; 27 cm.
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by Bentz, Barbara J.
Published: U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1996
Description: 8 pages : illustrations.
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Mine communication systems Mine safety Bark beetles Forest insects Host plants Lodgepole pine Diseases and pests Mountain pine beetle