571. Timber depletion. Timber depletion, lumber prices, lumber exports, and concentration of timber ownership, report on Senate resolution 311, June 1, 1920. Bookmark Corporate/Agency Authors: Forest Service and Agriculture Department Publisher: Forest Service Date: 1920
572. Wood-lots. Making woodlands profitable in Southern States; [by Wilbur R. Mattoon]. Bookmark Corporate/Agency Authors: Forest Service and Agriculture Department Publisher: Forest Service Date: [Jan. 1920.]