University of Idaho. Department of Geography & Caldwell, H. H. C. (1970). Idaho economic atlas. Idaho Bureau of Mines and Geology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of Idaho. Department of Geography और Harry H. Captain Caldwell. Idaho Economic Atlas. Moscow, Idaho: Idaho Bureau of Mines and Geology, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUniversity of Idaho. Department of Geography और Harry H. Captain Caldwell. Idaho Economic Atlas. Idaho Bureau of Mines and Geology, 1970.
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