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| Description: | Two men are helping to hold down a sturgeon on the side of a boat as a third man tags the dorsal fin. |
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| Description: | Two men are collecting northern pike spawn on Fox Lake. One man is standing and holding the pike's head, while the other is sitting in a chair with a conta... |
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| Description: | Close-up view of two men collecting northern pike spawn on Fox Lake. One man is standing and holding the pike's head, while the other man is sitting in a c... |
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| Description: | Two men wearing jumpsuits and hard hats are measuring a tree. One man is holding up a measuring tape across the width of the tree as the other man writes o... |
| Date: | 10 1978 |
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| Description: | Two men are standing on the rocky shoreline of the Sheboygan River. One man is holding a shovel in his right hand and a glass jar in his left hand. The oth... |
| Date: | 10 1978 |
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| Description: | Two men are kneeling on the ground. One man is holding a shovel while the other man is scooping dirt from the shovel into a glass jar. They are measuring P... |
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| Description: | A man wearing hip waders is standing in wetlands holding a collecting screen. He is collecting helgramites (a type of insect larva) to be used as bait for ... |
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| Description: | Two men are surveying dried out wetlands. A farm is in the distance. |
| Date: | 03 04 1929 |
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| Description: | Illustration of a cultivator, with arrows indicating center of furrows in earth. |
| Date: | 07 21 1985 |
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| Description: | View of a man and a woman looking over a railing, with binoculars and a telescopic lens at hand. Caption reads: "Light keeper John Foote and researcher Lau... |
| Date: | 01 10 1924 |
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| Description: | Three-quarter view from front right of an orchard disk harrow (exp) set up on a wood floor in front of a backdrop. |
| Date: | 07 11 1924 |
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| Description: | Right side profile view of a man driving a tractor pulling an experimental weighted disk harrow. Buildings are in the background. |
| Date: | 01 28 1954 |
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| Description: | A girl is sitting and working with material in the reference room of the Madison Free Library at 206 North Carroll Street. |
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| Description: | Elevated view of two men in a chemistry lab with glass block walls. The men are standing in front of two different wet bench lab tables, and are working on... |
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| Description: | Slightly elevated view of men and women sitting around a table, sampling slices of Oscar Mayer meat products in the Oscar Mayer laboratory. A women in a lo... |
| Date: | 07 06 1955 |
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| Description: | Monkeys on monkey island at the Vilas Park Zoo. The monkeys are on loan from the University of Wisconsin during the summer and returned in the winter to be... |
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| Description: | Close-up of two women examining what may be corn shoots. The shoots are on plates, and in a glass on a table. Lantern slide. |
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| Description: | A man is weighing milk and taking a sample for testing in acid in butter fat, creamery, East Aurora, N.Y.., U.S.A." Lantern slide. |
| Date: | 05 29 1957 |
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| Description: | Dr. Theodore Schreiner, a research assistant from Tuebingen, West Germany (right), holds a cage while Laboratory Director Professor Arthur D. Hasler record... |
| Date: | 05 29 1957 |
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| Description: | Student John Hunter demonstrates a fish training gadget developed by Dr. Wisby at the U.W. Hydrobiology Laboratory on Lake Mendota. |
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