Maps can help you trace your family tree
Subtitle: how to use maps in genealogy
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1991
Place of publication: Reston, Va.?
Language: eng
Number of pages: 12
Subjects: Genealogy; Bibliography; Maps
Other titles: How to use maps in genealogy.
Notes: Shipping list no.: 91-833-P.

"August 1991"--P. 12.