Keywords: FMIB 35068 Ponds for Experiment Work.jpeg check categories 7 September 2015 4 Ponds for Experiment Work Earth-walled ponds of various sizes and forms present natural conditions such as may be reproduced on the farm Small concrete-lined ponds serve the needs of special experiments Both fish and mussels are reared here Subject Biological stations Fisheries research Fish ponds Geographic Subject United States--Iowa--Fairport Tag Hatcheries 1920 Cite book Fisheries Biological Station at Fairport Iowa Coker R E Washington DC Government Printing Office 1920 Annual Report of the Commissioner of Fisehries to the Secretary of Commerce for the Fiscal Year Ended June 30 1920 Plate II fig 1 Creator Robert Ervin Coker PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 35068 Images from the Freshwater and Marine Image Bank to check Robert Ervin Coker Biological stations Fish ponds Fish hatcheries |