4 books in this genre
The Columbia River salmon and steelhead trout, their fight for survival
Anthony Netboy
Pokatnai͡a︡ migrat͡s︡ii͡a︡ ryb cherez plotiny GĖS
D. S. Pavlov
Kootenai Falls aquatic environment study
Patrick J. Graham
River of life, channel of death
Keith C. Petersen
