Instructions for making timber surveys in the national forests :
including standard classification of forest types /
U.S. Department of Agriculture, Forest Service.
APA Citation
United States. Forest Service. (1917). Instructions for making timber surveys in the national forests: including standard classification of forest types. Washington, D.C.: U. S. Dept. of Agriculture.
MLA Citation
United States. Forest Service. Instructions for Making Timber Surveys In the National Forests: Including Standard Classification of Forest Types. Washington, D.C.: U. S. Dept. of Agriculture, 1917.
Warning: These citations may not always be complete (especially for serials).