visitors. The docents also operate the celebrated Grandmother's/Grandfather's Trunk program, where docents visit schools in pioneer clothing with trunks full of artifacts, which through interpretive explanation can help students learn about 19th century life. Archive The museum also hosts the archives of San Joaquin County, with over 500,000 documents and photos available to the public for research. The archive includes: The Weber family collections and the personal records and business dealings of the Weber family. The Tillie Lewis collection, including the personal scrapbooks and papers of Tillie Lewis. Reclamation collections, with historical documentation on water rights, mosquito abatement, and legal reclamation in the Sacramento-San Joaquin Delta. Yearbooks from High Schools throughout San Joaquin County, including Stockton, Lodi, Tokay, Ripon, Tracy, Lincoln, St. Mary's, and Edison High School. Local genealogical records, including the First Families of San Joaquin collection, formerly the Pioneer Registry of San Joaquin County. The municipal records of San Joaquin County, including the official minute books of the San Joaquin County Board of Supervisors, assessment and plat books, local infrastructure records, marriage and death records, the Great Registry of Voters for San Joaquin County, and Sanborn maps for Stockton, Lodi, and Clements, California. Agricultural Technology Manuals. Chinese-language business records from the Chinese community in Stockton. Over 150 independent collections concerning manufacturing, logistics, and agricultural businesses in San Joaquin County. References External links the Online Archive of California Official San Joaquin County Historical Society and Museum website Museums in San Joaquin County, California Lodi, California Historical society museums in California History of the San Joaquin Valley Agriculture museums in the United States Farm museums in California Open-air museums in California Institutions accredited by the American Alliance of Museums Historical societies in California History museums in California Museums established in 1966 1966 establishments in California