. . . . . . . . . . "Death Valley Region field guide prepared for the Spring, 1983, National Association of Geology Teachers-Far Western Section Meeting in conjunction with Cypress College, Cypress, California, March 5 and 6, 1983"@en . . . "Death Valley Region field guide : prepared for the Spring, 1983, National Association of Geology Teachers-Far Western Section Meeting in conjunction with Cypress College, Cypress, California, March 5 and 6, 1983"@en . . .