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The 2002 RPA Plot Summary Database Users Manual
Patrick D. Miles
出版U.S. Department of Agriculture, Forest Service, North Central Research Station, 2004
URLhttp://books.google.com.hk/books?id=zFyw1nfwyqAC&hl=&source=gbs_api
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註釋Describes the structure of the RPA 2002 Plot Summary database and provides information on generating estimates of forest statistics from these data. The RPA 2002 Plot Summary database provides a consistent framework for storing forest inventory data across all ownerships across the entire United States. The data represents the best available data as of October 2001.