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Federal Plan for the Acquisition of Water Data, Fiscal Years 1978 and 1979
Geological Survey (U.S.). Office of Water Data Coordination
出版U.S. Department of the Interior, Geological Survey, Office of Water Data Coordination, 1978
URLhttp://books.google.com.hk/books?id=b-wv-8Vpj7gC&hl=&source=gbs_api
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