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About

Mint and Other Coin Production Facilities

Throughout Treasury's history, we have produced United States coins at facilities across the country. They are listed below, along with brief information. More detailed information is also available on selected facilities.

Mints of the United States:

The Philadelphia Mint -- This facility was authorized by the Act of April 2, 1792. It produced the first regular coinage in 1793. This Mint is still in operation, and is open for public tours. The Philadelphia Mint:

Content Image: Denver Mint
The Denver Mint -- This facility was authorized by the Act of April 21, 1862. It served as an Assay Office until 1906, when coinage operations began. This Mint is still in operation, and is open for public tours. The Denver Mint: The San Francisco Mint -- The San Francisco facility was authorized by the Act of July 3, 1852. It first produced coinage in 1854. Coinage operations were suspended in March 1955, but the plant continued to operate as an Assay Office. Public Law 87-534, passed on July 11, 1962, changed the official designation from "Mint to Assay Office." Coinage operations were again authorized under the authority of the Coinage Act of 1965, approved on July 23, 1965. The San Francisco Mint:
  • Manufactures and packages Regular and Silver Proof Coin Sets;
  • Manufactures, packages and ships Commemorative Coins; and
The Carson City, Nevada Mint -- This facility was closed.

The Charlotte, North Carolina Mint -- This facility was authorized by the Act of March 3, 1835. Coinage operations were conducted there from 1838 through May 20, 1861. They were discontinued due to the Civil War and never resumed. The plant was reopened in 1868 as an Assay Office and these operations ceased on June 30, 1913, when the plant was closed.

The Dahlonega, Georgia Mint -- This facility was authorized by the Act of March 3, 1835. Coinage operations were conducted there from 1838, were suspended in 1861 and never resumed. The building passed out of Government possession in 1871.

The New Orleans, Louisiana Mint -- This facility was authorized by the Act of March 3, 1835. Coinage operations were conducted there from 1838, but were suspended from 1861 until 1879, but assay functions were performed from 1876. Coinage resumed in 1879 and continued until 1909. The facility operated as an Assay Office from 1909 until 1942, when it was closed.

Bullion Depositories of the United States:

The Fort Knox, Kentucky Bullion Depository -- The site for this installation was formerly a part of the Fort Knox military reservation that was deeded to the Treasury Department. The Depository was completed in 1936. The Fort Knox Bullion Depository:

  • Protects Gold Bullion and Assets of other Agencies.
The West Point, New York Bullion Depository -- This structure, completed and occupied in 1938, is situated on a 4-acre tract of land formerly part of the West Point military reservation, which was deeded to the Treasury Department. It is operated as an adjunct of the New York Assay Office. The West Point Bullion Depository:
  • Manufactures and packages Uncirculated Silver coins;
  • Manufactures and packages Proof and Uncirculated Gold coins;
  • Manufactures, packages and ships Commemorative coins;
  • Stores Gold and Silver Bullion.

Assay Offices of the United States:

The U.S. Assay Office, St. Louis, Missouri -- This facility was authorized by the Act of February 1, 1881. It opened on July 1, 1881 and closed on June 30, 1911.

The U.S. Assay Office, Helena, Montana -- This facility was authorized by the Act of May 12, 1874. It began operations on January 15, 1877 and closed on June 30, 1933.

The U.S. Assay Office, Salt Lake City, Utah -- This facility was authorized by the Act of May 30, 1908. It opened on February 1, 1909 and closed on June 30, 1933.

The U.S. Assay Office, Deadwood, South Dakota -- This facility was established by the Act of June 11, 1896 and the Act of February 19, 1897. It opened on April 20, 1898, and closed on June 30, 1927.

The U.S. Assay Office, Boise, Idaho -- This facility was established by the Act of February 19, 1869. It received its first deposits in March 1872. It closed on June 30, 1933.

The U.S. Assay Office, New York, New York -- This facility was established by the Act of March 3, 1853. It opened in 1854. It closed on December 31, 1982.

The U.S. Assay Office, Seattle, Washington -- This facility was established by the Act of May 21, 1898. It closed on March 31, 1955.

 
Last Updated: 12/2/2010 7:13 PM

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