1. Use patterns and visitor characteristics, attitudes and preferences in seven wilderness and other roadless areas in Montana, USA: Survey data from 1970
- Author(s):
 - Lucas, Robert C.; Armatas, Christopher A.
 
2. Visitor perceptions of wilderness recreation carrying capacity: Survey data from 1969
- Author(s):
 - Stankey, George H.; Armatas, Christopher A.
 
	U.S. Department of Agriculture