How to know the eastern land snails;
pictured-key for determining the land snails of the United States occurring east of the Rocky Mountain Divide.

APA Citation

Burch, J. B. (John Bayard). (1962). How to know the eastern land snails: pictured-key for determining the land snails of the United States occurring east of the Rocky Mountain Divide. Dubuque, Iowa: W. C. Brown Co..

MLA Citation

Burch, J. B. (John Bayard), 1929-. How to Know the Eastern Land Snails: Pictured-key for Determining the Land Snails of the United States Occurring East of the Rocky Mountain Divide. Dubuque, Iowa: W. C. Brown Co., 1962.

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