1. Santee Experimental Forest boundaries
			
			
			- Author(s):
 - Arnold, Julie A.
 
2. 1936 control survey map of Berkeley County, South Carolina
			
			
			- Author(s):
 - Arnold, Julie A.
 
3. Penobscot Experimental Forest boundary, roads, trails, management units, and permanent sample plot locations (2nd Edition) 
			
			
			- Author(s):
 - Kenefic, Liam F.; Muñoz Delgado, Bethany L.; Rogers, Nicole S.; Richley, Andrew R.
 
4. Penobscot Experimental Forest boundary, roads, trails, management units, and permanent sample plot locations (1st Edition) 
			
			
			- Author(s):
 - Rogers, Nicole S.; Kenefic, Laura S.; Kimball, Alan J.; Brissette, John C.
 
	U.S. Department of Agriculture