1. Eleven Point National Scenic River (EPNSR): Visitor survey data from 2004
- Author(s):
- Morgan, Mark; Messenger, Brian; Watson, Alan E.; Schulz, John H.; Armatas, Christopher A.
2. Eleven Point National Scenic River (EPNSR): Visitor survey data from 2019
- Author(s):
- Morgan, Mark; Li, Christine Jie; Xu, Shuangyu; McCarty, Jenny; Watson, Alan E.; Schulz, John H.; Armatas, Christopher A.
3. The changing Midwest assessment: data and shapefiles
- Author(s):
- Potts, Robert S.; Gustafson, Eric J.; Stewart, Susan I.; Thompson, Frank R.; Bergen, Kathleen; Brown, Daniel G.; Hammer, Roger; Radeloff, Volker; Bengston, David; Sauer, John; Sturtevant, Brian
U.S. Department of Agriculture