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The object of this book is to explain how to create a synthesis of complex biostratigraphic data, and how to extract from such a syn- thesis a relative time scale based exclusively on the fossil content of sedimentary rocks. Such a time scale can be used to attribute relative ages to isolated fossil-bearing samples. From a practical point of view, the method described in this book will particularly interest paleontologists and geologists who must construct zonations and establish correlations on the basis of bio- stratigraphic data that are both plentiful and apparently contra- dictory. It is...

Located midway between San Francisco and Los Angeles, the Arroyo Grande Valley was founded during the period of the Mexican land grants. In 1837, the San Manuela Rancho was granted to Francis and Manuela Branch. The rich soils and mild coastal climate created a wonderful location to build a home, grow crops, and raise livestock. While livestock production has diminished, it has been replaced by a growing wine industry and field crops continue to flourish. Arroyo Grande remains one of the most pleasant and safest environments to live and work and maintains much of its historic village...