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. St. Kitts, Nevis, St. Eustatius, Grenada, and Barbados land cover and forest formations (1999-2003)
- Author(s):
- Helmer, Eileen H.; Kennaway, Todd A.; Pedreros, Diego H.; Clark, Matthew L.; Marcano-Vega, Humfredo; Tieszen, Larry L.; Ruzycki, Thomas S.; Schill, S. R.; Carrington, C. M. Sean
4. Puerto Rico, Vieques and Culebra land cover and forest formations circa 2000
- Author(s):
- Kennaway, Todd A.; Helmer, Eileen H.
5. Key data inputs and modeling outputs for "Opportunities for forest sector emissions reductions: A state-level analysis"
- Author(s):
- Dugan, Alexa J.; Lichstein, Jeremy W.; Steele, Al; Metsaranta, Juha M.; Bick, Steven; Hollinger, David Y.
6. Nebraska windbreaks original plantings (1935-1942)
- Author(s):
- Carman, Richard; Kellerman, Todd A.
7. Virgin Islands land cover and forest structure
- Author(s):
- Kennaway, Todd A.; Helmer, Eileen H.; Lefsky, Michael A.; Brandeis, Tom J.; Sherrill, Kirk R.
8. Mangrove carbon stocks in Zambezi River Delta, Mozambique
- Author(s):
- Trettin, Carl C.; Stringer, Christina E.; Zarnoch, Stanley J.; Tang, Wenwu; Dai, Zhaohua
9. Historical woodland density of the conterminous United States, 1873
- Author(s):
- Liknes, Greg C.; Nelson, Mark D.; Kaisershot, Daniel J.