Geological Survey (U.S.) & Walker, E. H. (1964). Ground water in the Sandpoint region, Bonner County, Idaho. Gov't..
Style de citation Chicago (17e éd.)Geological Survey (U.S.) et Eugene H. Walker. Ground Water in the Sandpoint Region, Bonner County, Idaho. Wash.: Gov't., 1964.
Style de citation MLA (8e éd.)Geological Survey (U.S.) et Eugene H. Walker. Ground Water in the Sandpoint Region, Bonner County, Idaho. Gov't., 1964.
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