Gold Hill-Wakamatsu Preservation Act - Authorizes the Secretary of the Interior to acquire the Gold Hill Ranch in Coloma, California, including any interest in the Ranch, by purchase from a willing seller with donated or appropriated funds, donation, or exchange.
Authorizes the Secretary to enter into a cooperative agreement with public or nonprofit entities to interpret the history of the Wakamatsu Tea and Silk Farm Colony and related pioneer history associated with Japanese immigration to the area, including the history of traditional Japanese crops and farming practices and the contribution of those practices to the agricultural economy of California. Permits such agreement to include provisions for the development of a visitor center to further public education and interpretation of the Ranch.
Authorizes appropriations.