Progress report on the first year study of northern pike in the Mississippi River /
by Don R. Helms.

APA Citation

Helms, D. R., Iowa State Conservation Commission. Fisheries Section. (1975). Progress report on the first year study of northern pike in the Mississippi River. [Des Moines]: Fisheries Section, Iowa Conservation Commission.

MLA Citation

Helms, Don R, and Iowa State Conservation Commission. Fisheries Section. Progress Report On the First Year Study of Northern Pike In the Mississippi River. [Des Moines]: Fisheries Section, Iowa Conservation Commission, 1975.