Letter dated March 4, 1929 from C. M. Babcock, Commissioner of Highways to Hon. August H. Andresen, House of Representatives thanking him for his aid in securing the passage of Public Law No. 740.
Letter dated September 29, 1924 from Minnesota Commissioner of Highways C. M. Babcock to Mayor Coffeen requesting formal resolution from Stillwater City Council regarding maintenance of bridge.
Letter dated July 23, 1924 from Minnesota Commissioner of Highways C. M. Babcock to Mayor R. J. Coffeen declaring that no action taken on permanent designation of route to include interstate bridge.