Rancho "Rio de Los Americanos" : granted to William A. Leidesdorff, by Governor Micheltorena; finally confirmed to the executors of Joseph L. Folsom, deceased. Surveyed by Surveyor General John C. Hays, and approved By the U.S. District Court for the Northern District of California, 25th June, 1862. Statement Of the Title, and Proceedings under it to the Confirmation | Collections | The Huntington