Excerpt from Geology and Oil Resources of the Santa Maria Oil District, Santa Barbara County, California During the last three years the region near the Pacific coast in the northern part of Santa Barbara County, Cal. Has shown promise of becoming one Of the most productive Oil fields of the West, if not Of the whole United States. The developed fields lie on the low, rolling hills between the Santa Maria and Lompoc valleys, where the Oil has accumulated in great abundance in the Monterey shale, Of middle Tertiary age, which underlies this region. The lightness of the Oil, which averages from 25° to 27° Baume, and the great productiveness Of the wells, which yield as high as barrels a day, with an average of 300 to 400 barrels, are among the features for which the district has become noted. Large areas in the same general region as the productive fields have been known for some time to be analo gous, so far as surface evidence went, to the proved territory, and it was thought that geologic investigations of the region might furnish valuable information and aid in the extension Of developments. Accordingly, with the purpose Of studying the occurrence Of the Oil, the extent and structure of the oil-bearing formations, and their rela tions to associated formations, the writers carried on the field work leading to the present report during the summer and autumn of 1906. The geology of the region covered by the accompanying geo logic map (pl. I, in pocket) has not been completely studied in all parts. Between the San Rafael and Santa Ynez ranges it has been worked with considerable detail, but the mapping Of the mountainous regions has been more in the nature of a reconnaissance outside of the areas of the Monterey formation. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.