Author/Creator
- Ruhl, J. F.6
- Seanor, Ronald C.6
- United States. Army. Corps of Engineers6
- Bugliosi, Edward F.5
- Burt, David E., 1960-5
- Casey, George D.5
- Dumouchelle, D. H. (Denise H.)5
- Ensminger, Paul A.5
- Idaho. Division of Environmental Quality5
- Maryland. Tidewater Administration5
- New Mexico. Bureau of Mines and Mineral Resources5
- Oakley, W. T. (William Thomas), 1942-5
- Rosman, Robert5
- Thompson, Thomas H.5
- United States. Bureau of Land Management5
- United States. Soil Conservation Service5
- Wheeler, Judith C.5
- Arthur, J. Kerry4
- Aucott, Walter R.4
- Beckman, Jeffery D.4