Olson, T. M. (1975). Geology, groundwater, and water quality of part of southern Spokane County, Washington. Washington State Dept. of Ecology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOlson, Theodore M. Geology, Groundwater, and Water Quality of Part of Southern Spokane County, Washington. Olympia: Washington State Dept. of Ecology, 1975.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOlson, Theodore M. Geology, Groundwater, and Water Quality of Part of Southern Spokane County, Washington. Washington State Dept. of Ecology, 1975.
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