1. Social conditions, conflict, and preference data for users in the Rattlesnake National Recreation Area in 1989
- Author(s):
- Watson, Alan E.; Williams, Daniel R.; Daigle, John J.
2. John Muir Wilderness and Sequoia-Kings Canyon National Parks Wilderness: 1990 visitor survey data
- Author(s):
- Watson, Alan E.; Niccolucci, Michael J.; Williams, Daniel R.