U.S. Department of Agriculture1. Aquatic habitat, amphibian, and fish data from the Density Management and Riparian Buffer Study of western Oregon, USA
- Author(s):
- Olson, Deanna H.; Groom, Jeremiah D.; Puettmann, Klaus J.
2. Alaska forestry research historical images
- Author(s):
- Barnard, Jeffrey C.; Nelson, Kellen N.
3. Summary of U.S. threatened and endangered species listings, 1976-2019
- Author(s):
- Knowles, Michael S.; Flather, Curtis H.