Great Northern Railway Authorization for Expenditure (AFE), Clearwater, Minnesota, undated. Mail Crane, Renewed '37;. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Series .

Great Northern Railway Historical Society Blueprint Collection JSBP0947, Clearwater, Minnesota, undated. Bridge #32. Bridge Over Oak Street. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Blueprint Number 1254-6, map of Clearwater Proposed Changes at Bridges 32 and 33, 1909. Other subject categories: Right of Way and Track Map