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).