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Description

Article written by Cal Fremling discussing freshwater free diving or shallow water diving, teaching biology students, diving equipment, field trips, and the collection of crayfish and other biological materials from freshwater sources for classroom and laboratory use. Reprinted from The American Biology Teacher, February 1954, volume 16, number 2, pages 48-49. Part of the Cal R. Fremling Collection.

Publication Date

1954

Publisher

Library

City

Winona, Minnesota

Keywords

Swimming; Biologists; Students; Equipment; Laboratory

Department

Special Collections-Library

Notes

1954-02-01

Unique Identifier

2011.003.0106

Rights Management

Requests to reproduce this image must be granted by the Winona County Historical Society.

Contributing Institution

Winona County History Center-Armory Museum

A new biological frontier: your favorite lake

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