Showing 1 - 5 results of 5 for search 'Jenkins, Olaf P. (Olaf Pitt), 1889-1983' Narrow Search
  1. Geological investigation of the coal fields of Skagit county, Washington,
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  2. ... Geological investigation of the coal fields of western Whatcom County, Washington,
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  3. Lead deposits of Pend Oreille and Stevens counties, Washington,
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  4. Underground water supply of the region about White Bluffs and Hanford,
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  5. Iron ores, fuels and fluxes of Washington,
    by Shedd, Solon, 1860-1941
    Published 1922
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