http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Future development of the San Francisco bay area 1960-2020
Prepared and published for U.S. Army Engineer District, San Francisco Corps of Engineers. By Office of Area Development. Business and Defense Services Administration. U.S. Department of Commerce .
Caja que contiene 23 mapas de la Bahia de San Francisco mas el texto Economic aspectos of comprehensive survey of San Francisco bay and tributaries.