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. Maps of Puerto Rico and Virgin Islands forest functional groups, biomass, height, and species counts (2001-2008) and satellite image composites (1980-2000)
- Author(s):
- Helmer, Eileen H.; Ruzycki, Thomas S.; Wilson, Barry T.; Sherrill, Kirk R.; Lefsky, Michael A.; Marcano-Vega, Humfredo; Brandeis, Thomas J.; Erickson, Heather E.; Reufenacht, Bonnie
3. Ecological regions of Hawai'i
- Author(s):
- Potter, Kevin M.
4. 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.
5. Demography of ancient western juniper (Juniperus occidentalis var. occidentalis) trees on Horse Ridge in central Oregon, USA
- Author(s):
- Loehman, Rachel A.; Heyerdahl, Emily K.; Pederson, Gregory T.; McWethy, David B.
6. Soil profile morphology and chemistry, Allegheny National Forest, PA, 1997-2017
- Author(s):
- Bailey, Scott W.; Long, Robert P.; Horsley, Stephen B.
7. Cloud forest data for "Neotropical cloud forests and páramo to contract and dry from declines in cloud immersion and frost"
- Author(s):
- Helmer, Eileen H.; Gerson, Elizabeth A.; Baggett, L. Scott; Bird, Benjamin J.; Ruzycki, Thomas S.; Voggesser, Shannon M.