464 APPENDIX 
McGiFFERT, J. R. : Development of Cableway Skidder. American Lum- 
berman, Oct. 22, 1921, p. 56. 
Mereen, J. D.: Substitution of Electricity for Steam in Modern Logging 
Operations. The Timberman, August, 1912, pp. 29-30. 
Murray, L. T. : Changes in Types of Donkey Engines. The Timberman, 
Nov. 1922, pp. 50-52. 
Powers, F. W.: UtiHzing One Spar Tree for Two Skylines. The Timber- 
man, Nov., 1921, p. 34. 
Stimson, Chas. W. : Adoption of the Lidgerwood Skidder System (cable- 
way) in Logging Fir Timber. The Timberman, August, 1909, pp. 
56-57. 
Taylor, W. S. : Different Stages in the Evolution of Overhead System of 
Logging. The Timberman, Jan., 1914, pp. 30-31. 
Thompson, Jas. R. : Use of Electricity on Logging Operations. The Tim- 
berman, August, 1910, p. 64L. 
ViNNEDGE, R. W.: A Composite Flying Machine. The Timberman, Oct., 
1913, pp. 33-36. 
ViNNEDGE, R. W.: Overhead Logging Systems. The Timberman, Nov., 
1922, pp. 45 to 49. 
Williams, Asa S.: Logging by Steam. Forestry Quarterly, Vol. VI, No. 
1, pp. 1-33. 
Wirkkala, Oscar: The Wirkkala Slack Line System. The Timberman, 
Nov., 1921, pp. 58-59. 
SLIDES 
Fankhauser, Dr.: Rieswege in dem Ostalpen. Schweizerische Zeitschrift 
fur Forstwesen, March and April, 1906, pp. 69-77 and 113-122. 
FoRSTER, G. R.: Das Forstliche Transportwesen. Verlag von Moritz 
Perles, Wien, 1888, pp. 45-68. 
Gayer, Karl: Forest UtiHzation (Schlich's Manual of Forestry, Vol. V; 
trans, by W. R. Fisher). Bradbury, Agnew and Company, Ltd., Lon- 
don, 1908, pp. 316-322. 
Kubelka, August: Der Riesweg als Holzbringungsanstalt des Hochge- 
birges. Centralblatt fiir das gesamte Forstwesen. Wien, Aug.-Sept., 
1903, pp. 325-377. 
Schonwiese, Heinrich: Die Wegriesen im Reichforste Cadino. Central- 
blatt fiir das gesamte Forstwesen, Aug.-Sept., 1903, pp. 377-387. 
Stoddard, E. I.: Chute Logging in Eastern Oregon. The Timberman, 
July, 1920, p. 35. 
Von Almburg, Dr. F. Angerholzer: Beitrag zur Kenntnis der dynamischen 
Vorgange beim Abriesen des Holzes in Holzriesen. Centralblatt fur das 
gesamte Forstwesen, April, 1911, pp. 161-179. 
STANDING TIMBER IN THE UNITED STATES 
Bradfield, Wesley: Standing Timber in Wood Lots. Report of the 
National Conservation Commission, Senate Document No. 676, 60th 
Congress, 2nd Session, Vol. II, 1909, pp. 181-187. 
