Using 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, [2002]
Series:Fact sheet (Geological Survey (U.S.)) ; 02-099.
Subjects:
Online Access:https://purl.fdlp.gov/GPO/LPS37866
Description
Item Description:Caption title.
Shipping list number: 2003-0031-P.
"September 2002."
Shipping List Date: 11/06/2002
Physical Description:4 unnumbered pages : 1 color map ; 28 cm.
Also available via Internet from the USGS Web site. Address as of 12/15/03: http://erg.usgs.gov/isb/pubs/factsheets/fs09902.pdf; current access available via PURL.
Bibliography:Includes bibliographical references.