“Map Showing the Location of the Rancho Santa Ana del Chino and Town of Chino”, c.1891, Artesian Well Survey for Mr. Richard Gird.
File Unit: San Bernardino County. Series: Hydrographic Survey Sheets, ca. 1894- ca. 1934. Record Group 57: Records of the U.S. Geological Survey, 1839-2008. (National Archives Identifier 24746954).