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. 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.
3. National Marine Debris Monitoring Program: citizen science observations from 1997–2007
- Author(s):
- Ribic, Christine A.; Sheavly, Seba B.; Rugg, David J.
4. Soil profile morphology and chemistry, Allegheny National Forest, PA, 1997-2017
- Author(s):
- Bailey, Scott W.; Long, Robert P.; Horsley, Stephen B.
5. 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.
6. Desolation Wilderness: data from 1997-1998 visitor response to fees, fee demonstration project
- Author(s):
- Watson, Alan E.; Puttkammer, Annette; Christensen, Neal A.
7. Auyuittuq and Quttinirpaaq National Parks in the eastern Arctic Nunavut Region of Canada: 2003-2004 visitor experience study
- Author(s):
- Watson, Alan E.; Lachapelle, Paul R.; McCool, Stephen F.
8. Campsite condition data for the Superstition Wilderness
- Author(s):
- Cole, David N.
9. Campsite condition data for the Salmon River in the Frank Church-River of No Return Wilderness
- Author(s):
- Cole, David N.
10. Campsite condition data for four South-Central Wildernesses in Arkansas, Illinois, and Missouri
- Author(s):
- Cole, David N.
11. Campsite assessment data for backcountry campsites in Grand Canyon National Park
- Author(s):
- Cole, David N.
12. Baseline campsite data for sites near lakes in the Spanish Peaks portion of the Lee Metcalf Wilderness
- Author(s):
- Cole, David N.