U.S. Department of Agriculture1. Alaska forestry research historical images
- Author(s):
- Barnard, Jeffrey C.; Nelson, Kellen N.
2. Summary of U.S. threatened and endangered species listings, 1976-2019
- Author(s):
- Knowles, Michael S.; Flather, Curtis H.
3. The changing Midwest assessment: data and shapefiles
- Author(s):
- Potts, Robert S.; Gustafson, Eric J.; Stewart, Susan I.; Thompson, Frank R.; Bergen, Kathleen; Brown, Daniel G.; Hammer, Roger; Radeloff, Volker; Bengston, David; Sauer, John; Sturtevant, Brian