by Ted. R. Pogue, Jr., and Chauncey W. Anderson ; prepared in cooperation with Oregon Department of Environmental Quality, and Willamette River Technical Advisory Steering Committee
Other Title
Dissolved oxygen and pH in the upper Willamette River basin, Oregon, 1994
Portland, Or. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : U.S. Geological Survey, Earth Science Information Center, Open-File Reports Section [distributor], 1995