Maps. California. Geology of Santa Rosa Hills-eastern Purisima Hills district, Santa Barbara County, Calif.; oil and gas investigations, preliminary map 26, by W. P. Woodring, J. S. Loofbourow, jr., and M. N. Bramlette [with text] by W. P. Woodring and J. S. Loofbourow, jr. Scale 1 m.=1.3 in.