U.S. Department of Agriculture1. Engineering drawings for equipment, maps, and 1919-1925 reports of cultural practices at the Wind River Nursery in southwest Washington
- Author(s):
- Harrington, Constance A.
2. Historical maps of land use in Puerto Rico in 1951
- Author(s):
- Helmer, Eileen H.; Córdova, Juan R.; Quiñones, Maya; Hubing, Nick
3. Forest age map, tree species traits and Landsat phenology metrics for Puerto Rico and the U.S. Virgin Islands
- Author(s):
- Helmer, Eileen H.; Kay, Shannon L.; Marcano-Vega, Humfredo; Powers, Jennifer S.; Wood, Tana E.; Zhu, Xiaolin; Gwenzi, David; Ruzycki, Thomas S.
4. Nebraska windbreaks original plantings (1935-1942)
- Author(s):
- Carman, Richard; Kellerman, Todd A.