Letter dated January 14, 1887 from Stillwater City Engineer Lewis W. Clarke to Senator Dwight M. Sabin regarding repairs to the Stillwater bridge and suggested changes for the bridge.
Letter dated January 17, 1887 and envelope from Senator Dwight M. Sabin to Stillwater City Engineer Lewis W. Clarke assuring full support of the bridge project.
Letter dated January 28, 1887 from Major of Engineers Charles J. Allen to General James C. Duane suggesting shortening the draw of pontoon bridge from 330 to 200 feet.
Letter dated February 5, 1887 from Brig. General, Chief of Army Engineers James C. Duane to Senator Dwight M. Sabin indicating that the War Department has no authority over shortening the pontoon draws, as the bridge was built under the authority of the Minnesota Legislature.
Letter dated January 20, 1911 from E. J. Miller, Minnesota Highway Department to Stillwater City Engineer J. Abercrombie regarding the life expectancy, suggested method of repars and posted speed and wieght limits of the existing Stillwater pontoon bridge
Letter dated April 2, 1924 from City Attorney Edwin D. Buffington to Stillwater Mayor R. J. Coffeen regarding the proposed financing of the free interstate bridge.
Letter dated April 3, 1924 from Stillwater Mayor R. J. Coffeen to C. M. Babcock, Commissioner of Highways regarding ownership of the bridge, Chapter 323 of laws of 1921 and the role of the state highway commission.
Letter dated July 10, 1924 from Stillwater Mayor R. J. Coffeen to C. M. Babcock, Commissioner of Highways regarding maintenance, repair and ownership of proposed bridge, including Chap. 530 Laws 1919. Article 16 Constitution of Minnesota regarding Route No. 45.
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.
Notes dated July 28, 1924 of Hudson, Wisconsin Mayor George H. Tappins regarding cost of Hudson bridge. The handwritten notes are written on the back of a blank invoice for Consolidated Lumber Company, Retail Yards in Stillwater, Minnesota.
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 October 2, 1924 from Stillwater Mayor R. J. Coffeen to C. M. Babcock, Commissioner of Highways regarding a special meeting and resolution passed regarding maintenance and ownership of the Stillwater portion of the bridge.
Resolution dated October 2, 1924 requesting State Highway Commissioner of Minnesota to take over that part of the bridge owned by the city of Stillwater within the limits of the state of Minnesota and make it part of Trunk Highway No. 45. Includes part of Subdivision 1 of Section 13, Chapter 323, Laws 1921 relating to interstate bridges.
Notes dated October 17, 1924 regarding the location the bridge over the St. Croix River and the direction of the St. Croix River flow. The handwritten notes are written on an advertising borchure for the Custom Built Cadillac Fisher, St. Paul Cadillac Company.
Letter dated October 23, 1924 from Minnesota Highway Department to J. T. Donaghey, Acting Highway Commissioner, Wisconsin Highway Commission advising the Wisconsin Highway Department to take over that portion of the bridge located in Wisconsin.
Letter dated December 27, 1924 from Stillwater City Attorney Edwin D. Buffington to Wisconsin Highway Commission asking describing the interstate bridge at Stillwater and wondering whether the state of Wisconsin is authorized to take over the portion of the bridge lying within the State of Wisconsin.
Letter dated January 23, 1925 from Hon. George Sullivan to Stillwater City Attorney Edwin D. Buffington regarding letters sent to Wisconsin regarding inter-state bridge.
Letter dated January 5, 1925 from M. W. Torkelson, Wisconsin Highway Commissioner to Stillwater City AttorneyEdwin D. Buffington regarding St. Croix County's as opposed to the sate of Wisconsin's responsibility for maintaining a new bridge.
Letter dated January 8, 1925 from MN State Senator George M. Sullivan to Stillwater City Attorney Edwin D. Buffington announcing his intention to introduce a joint resolution between Minnesota, North and South Dakota and Wisconsin on the subject of interstate bridges.