Rope, Knots, and Climbing

Thompson, A.

Over 20 years ago the National Park Service was confronted with the problem of improving and maintaining in good condition thousands of valuable shade, ornamental, or historically significant trees within a variety of areas. In order to guide those who were responsible for this work in park areas, a . - most complete and useful series of nine Tree PreservatIon Bulletins was prepared between 1935 and 1940 by the late A. Robert Thompson, forester in the Branch of Forestry, National Park Service. The original bulletin No.7, Rope, Knots, and Climbing, was one of this series. Although the bulletins were originally intended for park employees, they received wide use by arborists and this demand has continued. They are being reissued from time to time to meet this need. The revised series will total seven in number. The original Bulletins 1 and 2, Purpose and Policy, which referred to National Park Service practices only, are being replaced by the earlier buIretin No.9, now No.1, Transplanting Trees and Other Woody Plants, and bulletin No. 8,now No.2, Safety for Tree Workers. Bulletin No.6, General Spraying and Other Practices, was revised and reissued in 1953. and the new bulletin No.1 in 1954.