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Forest Service - Northern Region: Beatty Grader Spotted Bear RD Bob Marshall
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Forest Service - Northern Region: Beatty Grader Spotted Bear RD Bob Marshall
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Forest Service - Northern Region: Beatty Grader Spotted Bear RD Bob Marshall
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Forest Service - Northern Region: Beatty Grader Spotted Bear RD Bob Marshall
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Forest Service - Northern Region: Beatty Grader Spotted Bear RD Bob Marshall
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Forest Service - Northern Region: Beatty Grader Spotted Bear RD Bob Marshall
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Forest Service - Northern Region: 1925: Beatty trail grader with long blade 3' 6" on road construction. Side slope 90%. Tally Lake road.
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Forest Service - Northern Region: 1925: Showing proper method of attaching chain to " Beatty" trail grader.
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Forest Service - Northern Region: 1925: "Method of loading plow on trail grader."
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Forest Service - Northern Region: Construction, Johnson Creek Trail, Blackfeet National Forest, June 2-10, 1925.