Assessment and requirements of sauger and walleye populations in the lower Yellowstone River and it's [sic] tributaries
By: by Russell F. Penkal.
Contributors: Montana. Dept. of Fish, Wildlife, and Parks.
Publisher: Dept. of Fish, Wildlife and Parks
Published: 1992
Place of publication: [Helena?]
Subjects: Walleye (Fish) -- Ecology.; Sauger -- Ecology.