1 volume in 1 folder. Mostly contracts and agreements with other entities (e.g. D&SC, IC, CB&N, Keystone Bridge Co., and individual guarantors) but also includes Articles of incorporation, Jun. 3, 1867, Articles of consolidation of Dubuque & Dunleith Bridge Co. with D&D Bridge, July 6,1867, Right-of-way ordinance, City of Dubuque, Jun. 7, 1867, and various items pasted in: D&D $1,000 construction bond, letters, telegrams, and drawings. Also includes printed specifications of the bridge.