San Marino, CA: Huntington Library, 1966. dj. Hardcover first edition - Osbun was an Ohio doctor who traveled to California during the height of the Gold rush, as one of the leaders of a mining company. His two-year journal supplies an excellent account of both Gold Rush California and of the Pacific Islanders he encountered. It covers the ocean passage from New York to San Francisco, by way of Panama, mining on the upper Sacramento and Yuba rivers, and his expedition to buy pigs, chickens, yams and other produce for the San Francisco market from the natives of the Pacific Islands and his return by way of Mexico. Photo frontispiece, maps, several appendices with additional information on the places, persons and ships mentioned in the diary. Index. 233 pp.