Author/Creator
- Lund, Kris D.4
- Massachusetts. Department of Public Works4
- United States. National Park Service4
- Aleinikoff, John Nicholas3
- Billingsley, George H.3
- Dennen, William H.3
- Harrison, Richard W.3
- Hualapai Indian Tribe of the Hualapai Indian Reservation, Arizona3
- New Hampshire. Geological Survey3
- Okubo, Chris H.3
- Pandya, Kaushik3
- Paṇḍyā, Alpā Kauśika3
- Richards, Joseph M.3
- TTK Healthcare Limited. Publications Division3
- United States. Army. Corps of Engineers3
- United States. Bureau of Indian Affairs3
- United States. Environmental Protection Agency3
- United States. National Aeronautics and Space Administration3
- Vermont. Agency of Natural Resources3
- Armstrong, Thomas R.2