Great Northern Engineering Drawing: General Plan, Bridge 70 - Serpentine River, north of Crescent Beach, British Columbia, Line Segment 056, Milepost 129.3. Sheet 202 - 1961 - 46, 1930. Note: Steel spans 1931 - AFE 42268
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Taken From: "GN Locations" database compiled by Jim Chinquist, year 1950.