A compendium of aquatic resource studies in the Clark Fork River basin Johnson, Howard E., 1935- creator Clark Fork River Basin Project (Mont.) contributor text book Helena, Mont. (Montana Governor's Office, Helena 59620) Clark Fork River Basin Project [1987] 1987
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ENG Includes glossary. "May 1987." Aquatic resources Clark Fork (Mont. and Idaho) Fisheries Pollution Research Water Water quality 333.916/0979 https://www.biodiversitylibrary.org/bibliography/24227 34372491 10.5962/bhl.title.24227 Mt