 | Aldrich, Robert Clement, 1922- dn | (1) |
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 | Aldrich, Robert Clement, 1922- dn; Stratifying stand volume on non-stereo aerial photos reduces errors in Forest Survey estimates / Robert C. Aldrich Nancy X. Norick. Berkeley, Calif. : Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1969. | |
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