Northern Pacific Engineering Drawing: Proposed 3 Span Reinforced Concrete Truss, Bridge 42, west of Whitehall, Montana, Line Segment 326, Milepost 42.7. Sheet 1274 - 60, 1952. Note: Concrete trestle 1952 - AFE 579 - 52
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LC Name Authority: https://lccn.loc.gov/n81100883
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Whitehall (Mont.)
BT Montana