----------------------------Original message---------------------------- The following duplicate map is available to a library or government agency: Carta geologica de la parte septentrional de la Republica mexicana / por Philip B. King. Cartas geologicas y mineras de la Republica mexicana ; no. 3. 1947. Phil Hoehn, Map Bibliographer Branner Earth Sciences Library Stanford University Stanford, CA 94305-2210 [log in to unmask]