http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mineral land classification of the greater Los Angeles area
volumes : illustrations, maps ; 28 cm. & maps in a envelope.
pt. 1. Description of the mineral land classification project of the greater Los Angeles area -- pt. 2. Classification of sand and gravel resource areas, San Fernando Valley production-consumption region -- pt. 4. Classification of sand and gravel resource areas, San Gabriel Valley production-consumption region.
Special report (California. Division of Mines and Geology) ; 143