@book{bhlitem34725, title = {Circular / U.S. Fish and Wildlife Service }, volume = {no. 33 (1955)}, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/34725}, note = {https://www.biodiversitylibrary.org/bibliography/8098}, publisher = {Washington: U.S. G.P.O., 1941-1970}, author = {U.S. Fish and Wildlife Service}, year = {1955}, pages = {10}, keywords = {Fisheries|United States|Wildlife conservation}, }