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. Data from a 1972 visitor survey in the Desolation Wilderness to determine baseline visitor characteristics, and preferences for wilderness conditions and experience
- Author(s):
- Lucas, Robert C.
3. Bob Marshall Wilderness Complex (BMWC) 1982 visitor characteristics, attitudes, and use patterns
- Author(s):
- Lucas, Robert C.