The national parks portfolio . GOVERNMENT PRINTING OFFICE WASHINGTON, D. C. 1917 SECOND EDITION FOR SALE BY SUPERINTENDENT OF DOCUMENTSGOVERNMENT PRINTING OFFICE, WASHINGTON, D. in 11 Sections, Loos?: in Flexible Cover 35 CentsBook Bound in Cloth 55 Cents DEPARTMENT OF THE INTERIOR FRANKLIN K. LANE, Secretary NATIONAL PARK SERVICESTEPHEN T, MATHER, Director INTRODUCTIONnationalparkspor1917yard

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