1. Historical maps of land use in Puerto Rico in 1951
- Author(s):
- Helmer, Eileen H.; Córdova, Juan R.; Quiñones, Maya; Hubing, Nick
2. County data related to forest dependence and community capitals, 2014-2019
- Author(s):
- Frey, Gregory E.; Kallayanamitra, Chalisa; Wilkens, Philadelphia; James, Natasha A.
U.S. Department of Agriculture