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Title: Use of aerial photographs in estimating forest drain
Author: Bickford, C. Allen;
Source: Station Paper NE-59. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 10 p.
Publication Series: Science Perspectives (SP)
Description: The nationwide forest survey now underway was undertaken to determine the status of the Nation?s forest resource. The purpose of the survey is, in brief, to find out how much timber there is, and where it is, the drain on this resource, and how much of the drain is being replaced by new growth.
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Bickford, C. Allen 1953. Use of aerial photographs in estimating forest drain. Station Paper NE-59. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 10 p.
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