U.S. Department of Agriculture1. Historical maps of land use in Puerto Rico in 1951
- Author(s):
- Helmer, Eileen H.; Córdova, Juan R.; Quiñones, Maya; Hubing, Nick
2. USDA Forest Service Air Resource Management Program: Surface water monitoring data
- Author(s):
- USDA Forest Service
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. Greenhouse gas emissions and removals from forest land, woodlands, and urban trees in the United States, 1990-2021: Estimates and quantitative uncertainty for individual states, regional ownership groups, and National Forest System regions
- Author(s):
- Walters, Brian F.; Domke, Grant M.; Greenfield, Eric J.; Smith, James E.; Ogle, Stephen M.
5. Philadelphia land cover change data, 1970-2010 (2nd Edition)
- Author(s):
- Roman, Lara A.; Catton, Indigo J.; Locke, Dexter H.; Greenfield, Eric J.; Pearsall, Hamil; Eisenman, Theodore S.; Henning, Jason G.; Healy, Marc