Site information:

Argonaut Mine located at the end of Spunn Rd, Jackson
38.362576, -120.786035

Kennedy Mine located on Kennedy Mine Rd, Jackson.  Kennedy Mine is on gated property, open at times for tours.
38.367826,-120.780275

Plaque information:

Plaque at roadside rest area, State Hwy 49 (P.M. 5.6), 1.6 mi N of Jackson.

38.364704,-120.787136

Plaque text:

Argonaut and Kennedy Mines

Argonaut Mine, discovered 1850, and Kennedy Mine, discovered 1856, played dramatic roles in the economic development of California, producing $105,268,760 in gold. Kennedy Mine has a vertical shaft of 5,912 feet, the deepest in the United States and changed mining methods in the Mother Lode. The Argonaut was the scene of the Mother Lode's most tragic mine disaster. Forty eight miners were trapped in a fire at the 3,500-foot level on August 27, 1922 - few survived. Both mines closed in 1942.

Plaque placed by the California Department of Parks and Recreation in cooperation with the Amador County Board of Supervisors, the Amador County Chamber of Commerce, and the Amador County Landmark Advisory Committee, February 2, 1968.

Registered 9/18/1963