572 MISC. PUBLICATION 3 6 4, U. S. DEPT. OF AGRICULTURE 

 MaoLaren, G. P. (11356) 



CROSS TIE PRACTICE ON THE CANADIAN NATIONAL ClOSS Tie Bllll. 10 (11) '. 



1-6. 1930. 

 McLean, J. D. (11357) 



PEECENTAGE RENEWALS AND AVERAGE LIFE OF TIES. Engin. NeWS-ReC 97 (9) I 



336-339. 1926. Also pub. in Cross Tie Bull. 7 (7) : 1, 2, 4, 6, 16-18. 1926. 



McNeil, J. E. (11358) 



improvement in use or ties. Ry. and Engin. Rev. 42 : 706-707. 1902. 



Markwardt, L. J. (11359) 



COMPARATIVE STRENGTH PROPERTIES OF 164 WOODS FOR CROSS TIES. Cl'OSS Tie 



Bull. 11 (9) : 6, 8, 10, 12, 14. 1930. 

 Mathews, J. D. (11360) 



SERVICE REPORT ON CROSS TIES AND TIMBER ON LINES OF SOUTHERN PACIFIC RAIL- 

 ROAD of Mexico. Cross Tie Bull. 1 (5) : 1-3. 1920. 



Matthei, M. (11361) 



hardwood tie plates on European RArLWAYS. Ry. and Engin. Rev. 53 (19) : 

 435, illus. 1913. 



Moorhead, J. D. (11362) 



southern pine cross ties. Cross Tie Bull. 2(1): 4-5. 1921. 



Myers, E. E. (11363) 



REDWOOD TIES AND TIMBERS COUNTED ON TO GIVE DEPENDABLE SERVICE FOR TWELVE 



to twenty years without use of preservative. West Coast Lumberman 

 31 (371) : 56-57, ilus. 1917. 



National Association of Railroad Tie Producers. (11364) 



tie producers discuss production outlook. Ry. Age 68 (18) : 1295-1298. 

 1920. 



(11365) 



tie specifications adopted . . . jan. 2 8, 1921. Timberman 22 (4) : 41-42. 



1921. 



Odell, Bruce. (11366) 



hardwoods that are largely used in treated railroad ties. Lumber World 

 Rev. 23 (9) : 19. 1912. 



Parker, R. J. - (11367) 



comparative economy of treated TTES. Lumber Trade Jour., 64 (2) : 23-24. 

 1913. 



(11368) 



treated versus untreated ties. Engin. Mag. 45 I 741-744. 1913. 



Pennsylvania Railroad Company. (11369) 



specifications and instructions for ordering and inspecting lumber ties 

 and telegraph poles. 14 pp. Wasbington, D. C. 1900. 



Pere Marquette Railway Company. (11370) 



specific ations of the douglas fir used by the pere marquette railway 

 company. West Coast Lumberman 51 (604) : 30, 54. 1926. 



Pershall, E. E. (11371) 



economic factors of railway cross tie values. Natl. Assoc Railroad Tie 

 Prod. Proc. 3: 139-143. 1921. 



(11372) 



factors affecting the cost of treated cross ties. Amer. Wood Preservers' 



Assoc. Proc. 18: 154-164. 1922. 



(11373) 



REVISED AMERICAN STANDARD TIE SPECIFICATIONS ADOPTED. CrOSS Tie Bull. 7 



(5) : 1-10. 1926. 



Pooler, F. S. (11374) 



THE GENERAL RELATION BETWEEN THE PRODUCTION OF AND SPECIFICATIONS FOR 



railroad cross ttes. Cross Tie Bull. 1 (2) : 1-2. 1920. 



(11375) 



performance of untreated cross ties. Engin. and Contract. Railways 62 



(6) : 1329-1330. 1924. 



