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Great Northern Engineering Drawing: General Plan, Bridge 1, West of Havre, Montana, 1917
Great Northern Engineering Drawing: General Plan, Bridge 1, West of Havre, Montana, 1917
Great Northern Engineering Drawing: Safety Walk, Bridge 1, West of Havre, Montana, undated
Great Northern Engineering Drawing: Safety Walk, Bridge 1, West of Havre, Montana, undated
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970
Great Northern Engineering Drawing, Boiler Room Addition at Havre, Montana, 1970