Timber resources of Pennsylvania :
report on forest survey made by Forest Service /
by Roland H. Ferguson.

APA Citation

United States. Forest Service., Northeastern Forest Experiment Station (Radnor, P. (1958). Timber resources of Pennsylvania: report on forest survey made by Forest Service. [Radnor, Pa..

MLA Citation

United States. Forest Service, and Pa.) Northeastern Forest Experiment Station (Radnor. Timber Resources of Pennsylvania: Report On Forest Survey Made by Forest Service. [Radnor, Pa., 1958.

Warning: These citations may not always be complete (especially for serials).