730 MISC. PUBLICATION 3 64, U. S. DEFT. OF AGRICULTURE 

 Grondal, B. L. (14434) 



SHIP TIMBERS MUST BE PROPEELY TREATED TO OBTAIN MAXIMUM RESULTS. West 



Coast Lumberman 33 (388) : 24-25, 29. 1917. 

 Gulline, H. L., and Company. (14435) 



WHARF PROTECTION AGAINST TEREDO AND LIMNORIA. 36 pp., illuS. Seattle. 



1891. 



Harkom, J. F. (14436) 



data on the checking of hard maple ties. Amer. Wood Preservers' Assoc. 

 Proc. 24 : 77-80, illus. 1928. 



Harte, C, R. (14437) 



extending the life of wooden poles. Elect. By. Jour. 53 : 554-559, illus. 

 1919. 



Hartman, E. F. (14438) 



economics of pole umber; the life of poles may be practically doubled 

 by proper treatment with preservative. Elect. World 72 (13) : 590-591. 

 1918. 



Hausser, M. (14439) 



treatment of wooden railroad ties. Lumber Trade Jour. 46 (7) : 17-18. 

 1904. 



Haworth, M. E. (14440) 



timber preservation and how it may profitably be applied to coal mining. 

 Mining Cong. Jour. 13 (4) : 310-311, 329. 1927. 



Hedenlund, E. (14441) 



Swedish methods of impregnating poles. Elect. World 83 1 373-375, illus. 

 1924. 



Helphenstine, B. K., Jr. (14442) 



treated timber for farm use. Farm Mechanics 15 (5) : 28-30, illus. 1926. 



Henry, A. S. (14443) 



preservation of eastern white cedar poles. Ames Forester 10 : 74-79, illus. 

 1922. 



Hicks, P. B. (14444) 



creosoted timber in construction. South. Lumber Jour. 47 (23) : 43-46, 

 illus. 1921. 



(14445) 



CREOSOTED TIMBER IN SOUTHERN HIGHWAY IMPROVEMENTS. ManfrS. BeC 85 I 



79-80, illus. 1924. 



(14446) 



experiments with butt-treated poles in caltfornia. Amer. Wood Preserv- 

 ers' Assoc. Proc. 17 : 390-400. 1921. 



(14447) 



service tests of cross-ties. Amer. By. Engin. and Maintenance of Way 



Assoc. Bull. 195 : 1201-1298. 1917. 



(14448) 



why the creosoted tie? Cross Tie Bull. 3 (5) : 11-15. 1922. 



(14449) 



WOOD PRESERVATION AND ITS APPLICATION ON THE FARM. Beclamation and 



Farm Engineering 8 (4) : 253-255, illus. 1925. 



(14450) 



wood preserving adds life to southern pine. South. Lumber Jour. 48 (17) : 



29-31. 1922. 



Hobnob, B. B. (14451) 



growing need for preservation of mine timber. Amer. Wood Preservers' 

 Assoc. Proc. 18 : 203-213. 1922. 



Horrocks, H. E. (14452) 



creosoted and untreated piling on pacific coast. Pacific Builder and Engin. 

 19 : 207-208, illus. 1915. 



