sentences:  Despite the new mining methods, by 1865 production was , less than one-quarter of peak production.Production sank to in 1929, but then soared to more than for each year 1939 through 1941, after the price was raised from $20.67 to $35 per ounce.However, the federal government, in War Production Board Order L-208, ordered gold mines closed, to free up resources for the war effort during World War II, and production fell to in 1943.