- Gifford Pinchot - A primer of forestry A PRIMER OF FORESTRY PART II - PRACTICAL FORESTRY By GIFFORD PINCHOT Forester Bulletin 24, Part II Bureau of Forestry U.S. Dept. of Agriculture Washington: GOVERNMENT PRINTING OFFICE. 1905. Lumbering, A Part of the Practice of Forestry. LETTER OF TRANSMITTAL. U.S. Department of Agriculture, Bureau of Forestry, Washington, D.C., June 26, 1903. Sir: I have ...www.forestry.auburn.edu/sfnmc/class/pinchot.html