Case, R. L., and J. B. Kauffman. 1997. Wild ungulate influences on the recovery of willows, black cottonwood, and thin-leaf alder following cessation of cattle grazing in northeastern Oregon. Northwest Science 71:115-126.
Thesis
Case, R.L. 1995. The ecology of riparian ecosystems of northeast Oregon: Shrub recovery at Meadow Creek and the structure and biomass of headwater upper Grande Ronde ecosystems. Corvallis, OR: Oregon State University. M.S. Thesis.