U.S. Department of Agriculture1. Tree canopy cover in the Great Lakes region, 1985-2019
- Author(s):
- Filippelli, Steven K.; Schleeweis, Karen G.; Nelson, Mark D.; Fekety, Patrick A.; Vogeler, Jody C.
2. 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.
3. National river recreation study data: a nationwide survey of river recreation use from 1977-1984
- Author(s):
- Cole, David N.