TY - BOOK T1 - How to know the mammals.Pictured-keys for determining to species, all of the mammals of the United States and southern Canada with maps showing their geographic distribution, and many pages of helps for their successful study. DA - [c1950] CY - Dubuque, Iowa, AU - Booth, Ernest S. ET - 1st ed. CN - QL708 CN - QL708 PB - W.C. Brown PP - Dubuque, Iowa, PY - [c1950] ID - 98253 KW - Mammals KW - Mammals KW - Mammals TI - How to know the mammals.Pictured-keys for determining to species, all of the mammals of the United States and southern Canada with maps showing their geographic distribution, and many pages of helps for their successful study. ER -