U.S. Department of Agriculture1. Paired quality assurance and operational field data from the northern region of the U.S. Forest Inventory and Analysis program
- Author(s):
- Barnett, Charles J.; Young, Alexander R.
2. Northern Forest Futures Database
- Author(s):
- Miles, Patrick D.; Wear, David N.
3. National river recreation study data: a nationwide survey of river recreation use from 1977-1984
- Author(s):
- Cole, David N.