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1by Campbell, Marius R. (Marius Robinson), 1858-1940“...Guidebook of the Western United States, Northern Pacific route, with a side trip to Yellowstone...”
Published 1915
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2by Lee, Willis T. (Willis Thomas), 1864-1926, Gale, Hoyt S. (Hoyt Stoddard), 1876-1952, Stone, Ralph W. (Ralph Walter), 1876-1964Get full text
Published 1915
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5by Campbell, Marius R. (Marius Robinson), 1858-1940Get full text
Published 1922
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8by Koch, Jonathan“...Guide to bumble bees of the western United States...”
Published 2012
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19by Averitt, Paul, 1908-1991“...Coking-coal deposits, western United States...”
Published 1966
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