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Three principal cast-iron pipe lines entering culvert beneath railray tracks. From left to right, the 4-inch clear-water supply, the 14-inch (reducing to 10-inch) reservoir supply, and the return 8-inch pond supply. In the forground a valve box is seen; the valve controls an emergency 'crossover' connection between reservoir supply and pond supply

Subjects: United States--Iowa--Fairport; Hatcheries; Biological stations

  • Source: Coker, Robert E. ; Fairport Fisheries Biological Station : Its Equipment, Organization, and Functions ; Washington, DC : Government Printing Office, 1916 ; Bulletin of

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Fisheries Biological Station. Southwest portion of grounds, with principal buildings. Mississippi River in background. From left to right, temporary laboratory, boathouse, concrete ponds of series C, storage reservoir in foreground, tank house, and main laboratory

Subjects: United States--Iowa--Fairport; Hatcheries; Biological stations

  • Source: Coker, Robert E. ; Fairport Fisheries Biological Station : Its Equipment, Organization, and Functions ; Washington, DC : Government Printing Office, 1916 ; Bulletin of

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Ponds for Fish-Cultural Experiment Work Part of the equipment used for fish-cultural experiment work. In these ponds we learn how to rear buffalofish and catfish and how to make ponds mnore productive of black bass, bream, and other esteemed game fishes. Mussel culture, too, is practised in these ponds.

Subjects: United States--Iowa--Fairport; Hatcheries; Biological stations

  • Source: Coker, R. E. ; Fisheries Biological Station at Fairport, Iowa ; Washington, DC : Government Printing Office, 1920 ; Annual Report of the

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Simple Fishpond This pond, a quarter of an acre in extent, simulates the natural conditions of a form pond receiving minimum attention. Being stocked with generally esteemed fishes, it is intended to answer the question: What will a small pond yield without special attention?

Subjects: United States--Iowa--Fairport; Hatcheries; Biological stations

  • Source: Coker, R. E. ; Fisheries Biological Station at Fairport, Iowa ; Washington, DC : Government Printing Office, 1920 ; Annual Report of the

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Troughs for Rearing Mussels In troughs supplied with naturally clarified water flowing from near the surface of one of the ponds, the best conditions have been found for rearing several species of fresh-water mussels. As is the fortune of experimental work, success has been variable, but a single trough may produce in one season more than 2,000 young mussels one-fourth to one-half inch in length

Subjects: United States--Iowa--Fairport; Hatcheries; Biological stations

  • Source: Coker, R. E. ; Fisheries Biological Station at Fairport, Iowa ; Washington, DC : Government Printing Office, 1920 ; Annual Report of the

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Ponds used for experiments in cultivation of fish and mussels. Buffalofish are being reared in pond in left background

Subjects: United States--Iowa--Fairport; Hatcheries; Biological stations

  • Source: Coker, Robert E. ; Fairport Fisheries Biological Station : Its Equipment, Organization, and Functions ; Washington, DC : Government Printing Office, 1916 ; Bulletin of

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On hillside, director's cottage, and in the distance cottage of foreman, scientific assistant, and superintendent. In foreground, reservoir and ponds, series D

Subjects: United States--Iowa--Fairport; Hatcheries; Biological stations

  • Source: Coker, Robert E. ; Fairport Fisheries Biological Station : Its Equipment, Organization, and Functions ; Washington, DC : Government Printing Office, 1916 ; Bulletin of

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Interior of general laboratory, showing alcove arrangement and concrete tank tables

Subjects: United States--Iowa--Fairport; Hatcheries; Biological stations

  • Source: Coker, Robert E. ; Fairport Fisheries Biological Station : Its Equipment, Organization, and Functions ; Washington, DC : Government Printing Office, 1916 ; Bulletin of

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Main laboratory, with storage reservoir in foreground. Fisheries Biological Station, Fairport, Iowa

Subjects: United States--Iowa--Fairport; Hatcheries; Biological stations

  • Source: Coker, Robert E. ; Fairport Fisheries Biological Station : Its Equipment, Organization, and Functions ; Washington, DC : Government Printing Office, 1916 ; Bulletin of

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From left to right, concrete ponds of series A, shell-testing shop, storehouse and carpenter shop, concrete filter bed, flagstaff (old position), boiler house, temporary laboratory, boathouse

Subjects: United States--Iowa--Fairport; Hatcheries; Biological stations

  • Source: Coker, Robert E. ; Fairport Fisheries Biological Station : Its Equipment, Organization, and Functions ; Washington, DC : Government Printing Office, 1916 ; Bulletin of

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  • 1-10 ل  17 نتائج ل ""United States--Iowa--Fairport""