Grading operations on Ostermann's section; Approximately 20 of these under body blades. Original caption: 44-1144: Grading operations on Ostermann's section. Mile 1849. Original caption: 44-1145: Approximately 20 of these under body blades were used on the Alaska section for gerneral maintenance and for spreading surfacing materials. Photo by: WL Eager. State: Alaska.

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