Source: U.S. Department of the Treasury. Fiscal Service  

Release: U.S. Treasury-Owned Gold  

Units:  Fine Troy Ounces, Not Seasonally Adjusted

Frequency:  Monthly

The Status Report of U.S. Government Gold Reserve can be found on FiscalData and is available for download in multiple machine-readable formats with complete metadata.

Deep Storage is the portion of the U.S. Government-owned gold bullion reserve which the Mint secures in sealed vaults that are examined annually by the Treasury Department's Office of the Inspector General and consists primarily of gold bars.