Gray's Botanical and Zoological Maps of the United States.
Identifier
3888.072
Collection
pilot4
Description
Gray's Botanical and Zoological Maps of the United States. Philadelphia: O.W. Gray & Son.Map of the United States Showing the Principal Botanical Divisions by Professor Thomas C. Porter. Map of the United States Showing the Principal Zoological Divisions by Professor Edward D. Cope. Copyright 1877 by O.W. Gray & Son.