"Copy. Samuel Bethell ... says he is a practical engineer and surveyor, that he made the official survey of the town site of Lancha Plana in Amador County, California and that this map is a correct representation of the same ... Sworn to and subscribed before me this 14th day of June 1871 [signed] Geo. G. Sewell, County Clerk"
Shows buildings, land ownership, China Town, Chinese garden, etc.
Pen-and-ink and watercolor.