6 questions everybody asks at national fish hatcheries.
Contributors: United States. Bureau of Sport Fisheries and Wildlife.; U.S. Fish and Wildlife Service.
Series: RP / United States Department of the Interior, Bureau of Sport Fisheries and Wildlife -- -59.; Resource publication (United States. Bureau of Sport Fisheries and Wildlife) -- 59.
Publisher: U.S. Dept. of the Interior, Bureau of Sport Fisheries and Wildlife
Published: 1968
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Fish hatcheries -- United States.; Fish-culture -- United States.
Other titles: Six questions everybody asks at national fish hatcheries.
Notes: Cover title.

"Formerly F&WS circular 157."