Maps can help you trace your family tree : how to use maps in genealogy.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1991]
Subjects:	Genealogy > Bibliography. Maps > Bibliography. Genealogy. Maps. Cartografia. Genealogia. Bibliography.

Description
Item Description:	Shipping list number: 91-833-P. "August 1991"--Page 12.
Physical Description:	12 pages : map ; 23 cm