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Northern Pacific Engineering Drawing: General Plan, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: General Plan, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: General Plan, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: General Plan, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: Piers/Abutments, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: Piers/Abutments, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: Piers/Abutments, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: Piers/Abutments, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: Detail Support Stringer Pier, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: Detail Support Stringer Pier, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: Detail Brackets for Walk, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: Detail Brackets for Walk, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: General Plan, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: General Plan, Bridge 164 - Gallatin River, West of Logan, Montana, undated
Northern Pacific Engineering Drawing: General Plan, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
Northern Pacific Engineering Drawing: General Plan, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
Northern Pacific Engineering Drawing: General Plan, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
Northern Pacific Engineering Drawing: General Plan, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
Northern Pacific Engineering Drawing: General Plan, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
Northern Pacific Engineering Drawing: General Plan, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated