Instructions for making timber surveys in the national forests :
including standard classification of forest types.
APA Citation
United States. Forest Service., United States. Department of Agriculture. (1925). Instructions for making timber surveys in the national forests: including standard classification of forest types. Washington, DC: United States Government Printing Office.
MLA Citation
United States. Forest Service, and United States. Department of Agriculture. Instructions for Making Timber Surveys In the National Forests: Including Standard Classification of Forest Types. Washington, DC: United States Government Printing Office, 1925.
Warning: These citations may not always be complete (especially for serials).