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Letter from E. W. James to Cyrus S. Avery, dated September 11, 1925

• Authors : James, E. W. (Edwin Warley), 1877-1967

Subjects: Avery; Cy (Cyrus Stevens); JamesUnited States1920-1929; 1871-1963; 1877-1967

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Report of Committee on Signs - Joint Board of Interstate Highways

• Authors : Joint Board on Interstate Highways. Committee on Signs

Subjects: Hinkle; A. H. (Albert Harrison); MacDonaldUnited States1920-1929; 1881-1957

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Resolution No. 5, Regarding Trail Marking

Subjects: Transportation markings; Traffic signs and signals; Interstate Highway SystemUnited States1920-1929

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Move Toward Uniform Marking of Highways, dated February 25, 1925

• Authors : United States. Department of Agriculture

Subjects: United States. Bureau of Public Roads; Interstate Highway System; RoadsUnited States1920-1929

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Letter from Cyrus S. Avery to B. H. Piepmeier, dated February 18, 1926

• Authors : Avery, Cy (Cyrus Stevens), 1871-1963

Subjects: Avery; Cy (Cyrus Stevens); PiepmeierUnited States1920-1929; 1871-1963

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Letter by Cyrus S. Avery to B. H. Piepmeier, dated February 10, 1926

• Authors : Avery, Cy (Cyrus Stevens), 1871-1963

Subjects: Piepmeier; B. H.; AveryUnited States1920-1929; 1871-1963

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Letter by Cyrus S. Avery to B. H. Piepmeier, dated February 8, 1926

• Authors : Avery, Cy (Cyrus Stevens), 1871-1963

Subjects: Piepmeier; B. H.; AveryUnited States1920-1929; 1871-1963

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Letter from B. H. Piepmeier to Cyrus S. Avery, dated September 29, 1925

• Authors : Piepmeier, B. H.

Subjects: Piepmeier; B. H.; AveryUnited States1920-1929; 1871-1963

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Letter from Robert M. Morton to Cyrus S. Avery, dated July 21, 1926

• Authors : Morton, Robert M.

Subjects: Avery; Cy (Cyrus Stevens); MortonCalifornia1920-1929; 1871-1963

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Letter to Thomas H. MacDonald from Robert M. Morton

• Authors : Morton, Robert M.

Subjects: Avery; Cy (Cyrus Stevens); MacDonaldUnited States1920-1929; 1871-1963; 1881-1957

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