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. Percent tree and impervious cover for 2020 and projected in 2070 for three RPA scenarios (average, maximum and minimum) for the 2020 RPA Assessment
- Author(s):
- Greenfield, Eric J.; Nowak, David J.
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. Holyoke and Chelsea, MA urban tree canopy cover data, 1952-2014
- Author(s):
- Healy, Marc; Rogan, John; Roman, Lara A.; Nix, Sabine; Martin, Deborah G.; Geron, Nicholas
5. Historical photographs from U.S. Forest Service research and development activities in Alaska
- Author(s):
- Wright, Brenda E.; Plumb, Pauline; Wright, John; Biles, Frances E.
6. 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.