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... Geology and Ground-water Resources of the Wellton-Mohawk Area, Yuma County, Arizona
Geological Survey (U.S.)Horace Maxson BabcockSilas C. BrownJohn David Hem
出版2 fold. maps, 2 diagrs., 1947
URLhttp://books.google.com.hk/books?id=JMM_AAAAIAAJ&hl=&source=gbs_api
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