Sigalove, J.J., 1969, Carbon-14 content and origin of caliche: Tucson, University of Arizona, M.S. thesis, 72 p. Authors Sigalove, J.J. Publication Date 1969 Citation Tucson, University of Arizona, M.S. thesis, 72 p. State AZ Province CP County CN Placenames San Francisco Volcanic Field Keywords Isotope Geochemistry Caliche More Keywords Isotope Geochemistry, Caliche, AzGeoBib RefNum 9313