474 APPENDIX 



Location. 



Ellis, L. R.: Necessity for an Accurate Topographic Map in Logging Opera- 

 tions. Timberman, July, 1911, pp. 49-53- 



Henry, H. P.: Advantages of Topographic Surveys and Logging Plans. The 

 Timberman, August, 191 2, pp. 65-67. 



Peed, W. W.: Necessity for the Logging Engineer in Modern Logging Opera- 

 tions. The Timberman, August, 1910, pp. 47-49- 



Rankin, R. L.: Practical Topographical Surveys for Building Logging Roads. 

 The Timberman, March, 1912, p. 27. 



Van Orsdel, John P. : Topographic Survey and its Economic Value in Logging 

 Operations. The Timberman, August, 1910, p. 64. 



-. How to Obtain the Highest Practical Efficiency in 



Woods Operations. The Timberman, September, 1910, pp. 48-51. 



Wood, A. B.: Accurate Topographic Map is a Good Investment in Logging 

 Operations. The Timberman, August, 1912, p. 67. 



Motive power and rolling stock. 



Earle, Robert T. : Adaptability of the Gypsy Locomotive for Logging Purposes. 



The Timberman, August, 1910, pp. 34-35. 

 Engineer Field Manual: Parts I-VI, Professional Papers No. 29, Corps of 



Engineers, U. S. x\rmy. Third (revised) Edition, Washington. 1909. 

 Evans, W. P.: The Mallet Locomotive in the Field of Logging Operations. 



The Timberman, August, 1910, pp. 61-64. 

 Ives, J. F.: Utilization of Compressed Air on Logging Trucks. The Timber- 

 man, August, 1910, p. 60. 

 Ives, J. F.: Fuel Oil as a Substitute for Wood and Coal in Logging. The 



Timberman, August, 1909, p. 39. 

 Harp, C. A.: The Gasoline Locomotive and its Availability for Logging 



Roads. The Timberman, August, 1910, pp. 57-58. 

 Russell, C. W.: Utilization of Air on Logging Trucks. The Timberman, 



August, 1910, p. 58. 

 TuRNEY, Harry: Adjustable Air-brake Equipment for the Control of Detached 



Trucks. The Timberman, August, 191 2, p. 54. 



LOG RULES AND SCALING 



Cary, Austin: A Manual for Northern Woodsmen. Published by Harvard 



University, Cambridge, Mass., 1901. 

 Clark, Judson F.: The Measurement of Saw Logs. Forestry Quarterly, 



Vol. IV, No. 2, 1906, pp. 79-93. 

 Forest Service: U. S. Department of Agriculture. The National Forest 



Manual, Washington, 1911. 

 Graves, Henry Solon: Forest Mensuration. John Wiley and Sons, New York, 



1906. 

 : The Woodsman's Handbook (revised and enlarged). 



Bulletin 36, U. S. Forest Service, Washington, 1910. 

 : Recent Log Rules. Forestry Quarterly, Vol. VII, 1909, 



pp. 144-146. 



