Relations of Tualatin River water temperatures to natural and human-caused factors / by John C. Risley ; prepared in cooperation with the Unified Sewerage Agency of Washington County, Oregon

Author:: Risley, John C.
Published:: Portland, Or. : U.S. Dept. of the Interior, U.S. Geological Survey, 1997.
Denver, CO : Branch of Information Services
Physical Description:: v, 143 pages : illustrations, map ; 28 cm.
Additional Creators:: Washington County (Or.). Unified Sewerage Agency and Geological Survey (U.S.)