National Archives & Records Administration (Denver, Entry 49)

Denver, Colo. U.S. Mint Addition. Contractor, F.J. Kirchof Construction Co. [Denver, CO] August 1, 1936 - progress picture. View: Looking West at the East elevation. I hereby certify this photo shows the condition of the work on August 1, 1936. Signed James D. Owens, Construction Engineer.

National Archives reference: record group 104, entry 49 (Denver), box 2, folder 3.

Denver, Colo. U.S. Mint Addition. Contractor, F.J. Kirchof Construction Co. [Denver, CO] June 1, 1936 - progress picture. View: Looking West at the East elevation. I hereby certify this photo shows the condition of the work on June 1, 1936. Signed James D. Owens, Construction Engineer.

National Archives reference: record group 104, entry 49 (Denver), box 2, folder 3.

Denver, Colo. U.S. Mint Addition. Contractor, F.J. Kirchof Construction Co. [Denver, CO] July 1, 1936 - progress picture. View: Looking West at the East exposure and the South wall of the new addition. I hereby certify this photo shows the condition of the work on July 1, 1936. Signed James D. Owens, Construction Engineer.

National Archives reference: record group 104, entry 49 (Denver), box 2, folder 3.

Denver, Colo. U.S. Mint Addition. Contractor, F.J. Kirchof Construction Co. [Denver, CO] November 30, 1935 - progress picture. View: Looking East across new addition. I hereby certify this photo shows the condition of the work on November 30, 1935. Signed James D. Owens, Construction Engineer.

National Archives reference: record group 104, entry 49 (Denver), box 2, folder 3.

Denver, Colo. U.S. Mint Remodeling & Extension. Contractor, F.J. Kirchof Construction Co. [Denver, CO] October 26, 1935 - progress picture. View: Looking West across the foundation for the new addition. I hereby certify this photo shows the condition of the work on October 26, 1935. Signed James D. Owens, Construction Engineer.

National Archives reference: record group 104, entry 49 (Denver), box 2, folder 3.

Denver, Colo. U.S. Mint Remodeling & Extension. Contractor, F.J. Kirchof Construction Co. [Denver, CO] June 1, 1936 - progress picture. View: Looking East over framing of Vault 1, Mezzanine level. I hereby certify this photo shows the condition of the work on June 1, 1936. Signed James D. Owens, Construction Engineer.

National Archives reference: record group 104, entry 49 (Denver), box 2, folder 3.

Denver, Colo. U.S. Mint Remodeling & Extension. Contractor, F.J. Kirchof Construction Co. [Denver, CO] May 1, 1936 - progress picture. View: New Vault No. 1 - basement level - looking East. I hereby certify this photo shows the condition of the work on June 1, 1936. Signed James D. Owens, Construction Engineer.

National Archives reference: record group 104, entry 49 (Denver), box 2, folder 3.

Denver, Colo. U.S. Mint Remodeling & Extension. Contractor, F.J. Kirchof Construction Co. [Denver, CO] August 1, 1936 - progress picture. View: Looking East showing West wall new extension, driveway, and turn around. I hereby certify this photo shows the condition of the work on August 1, 1936. Signed James D. Owens, Construction Engineer.

National Archives reference: record group 104, entry 49 (Denver), box 2, folder 3.

Denver, Colo. U.S. Mint Addition. Contractor, F.J. Kirchof Construction Co., 700 Larence St., Denver, Colo. March 1, 1936 - progress picture. View: Vault No. 1 - Sub-basement level. Looking from the extended part west along the basement and sub-basement level, showing grillage and steel wall construction.

National Archives reference: record group 104, entry 49 (Denver), box 2, folder 3.

Denver, Colo. U.S. Mint Remodeling & Extension. Contractor, F.J. Kirchof Construction Co. [Denver, CO] September 26, 1935 - progress picture. View: Unspecified exterior site preparation.

National Archives reference: record group 104, entry 49 (Denver), box 2, folder 3.