Great Northern Blueprint Number 1191-19-6 Accounting Document, Waterville Estimates, undated. Other subject categories: Summary

Great Northern Blueprint Number 1024-35-2, Description of Mortgages, undated. Other subject categories: Chart

Great Northern Blueprint Number 1024-35-3, Showing Lines Under Mortgages, undated. Other subject categories: Chart

Great Northern Blueprint Number 1024-35-8, Showing Lines Under Mortgages, 1938. Other subject categories: Chart

Great Northern Blueprint Number 1024-24-7, showing Lines Under Mortgages, 1937. Other subject categories: Chart

Great Northern Blueprint Number 1024-35-6, Showing Lines Under Mortgages, 1936. Other subject categories: Chart

Great Northern Blueprint Number 1024-35-5, Showing Lines Under Mortgages, 1933. Other subject categories: Chart

Great Northern Blueprint Number 1024-35-4, Showing Lines Under Mortgages, 1932. Other subject categories: Chart

Great Northern Accounting Document, Duluth Superior Bridge Company Authorizations for Expenditure, undated. Other subject categories: Ledger

The Frank Dekker Collection consists of Non-Operating Property Books Numbers 2, 3, and 4 of the Oregon-Washington Railroad and Navigation Company (a Union Pacific Railroad Company subsidiary).