1. Forest carbon data for the 2008 US forest national greenhouse gas inventory
- Author(s):
- Smith, James E.; Heath, Linda S.; Patel, Amit R.
2. Campsite condition data for the Superstition Wilderness
- Author(s):
- Cole, David N.
3. Campsite condition data for the San Rafael Wilderness
- Author(s):
- Cole, David N.; Spildie, David R.
4. National river recreation study data: a nationwide survey of river recreation use from 1977-1984
- Author(s):
- Cole, David N.