Try this book. It has all the counties in US for each census and is an excellent research book for genealogist. Thorndale, William, and William Dollarhide . Map Guide to the U.S. Federal Censuses: County Boundary Maps for Each Census Taken . . . The Dollarhide Systems, 1983. KHS Library-General Stacks 911.73 T498 1983. Includes maps for other states.