An instrument to measure stream channel gradient and profiles /
by William J. Walkotten and Mason D. Bryant.

APA Citation

Walkotten, W. J., Bryant, M. D., United States. Forest Service., Pacific Northwest Forest and Range Experiment Station (Portland, O. (1980). An instrument to measure stream channel gradient and profiles. Portland, Or.: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.

MLA Citation

Walkotten, William J, Mason D Bryant, United States. Forest Service, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland. An Instrument to Measure Stream Channel Gradient And Profiles. Portland, Or.: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1980.