FOREST BOTANY 253 



Swenning, K. A. (4994) 



MANAGEMENT STUDIES ON COTTONWOOD AND SILVER MAPLE, JOUl\ Forestry 22 : 



178-183. 1924. 

 Thomas, J. J. (4995) 



CULTURE AND MANAGEMENT OE FOREST TREES. U. S. Dept. Agr. Kept. 1864 '. 



43-53. 1865. 

 Thompson, M. W. (4996) 



TIMBER GROWING AND CUTTING PRACTICE IN THE LODGEPOLE PINE REGION. U. S. 



Dept. Agr. Bull. 1499, 34 pp., illus. 1929. 

 Tillotson, C. R. (4997) 



TIMBER GROWING AND LOGGING PRACTICE IN THE CENTRAL HARDWOOD REGION. 



U. S. Dept. Agr. Bull. 1491, 39 pp., illus. 1927. 

 Toumey, J. W., and Metcalf, Haven. (4998) 



WHAT SHOULD BE DONE WITH THE CHESTNUT STANDS IN SOUTHERN NEW ENG- 

 LAND. Soc. Amer. Foresters Proc. 9 : 38-45. 1914. 



Troup, R. S. (4999.) 



SOME OF THE MORE IMPORTANT SILVICULTURAL SYSTEMS IN OPERATION IN EUROPE, 



Brit. Empire Forestry Conf. Proc. and Resolutions 1923: 136-143. 1927. 

 Veness, J. C. (5000) 



IMPROVEMENT CUTTING ON A COMMERCIAL BASIS AT PETAWAWA EXPERIMENT 



station. Canad. Forestry Mag. 18 (4) : 724-725, illus. 1922. 

 Wackerman, A. E. (5001) 



SELECTIVE LOGGING WHAT IT MEANS TO THE MINING INDUSTRY. Lake Superior 



Mining Institute, Ann. Meeting 25: [188] -196. 1926. 

 Watson, C. W. (5002) 



PARTIAL CUTTING AND STIMULATED GROWTH IN WESTERN WHITE PINE. IdilhO 



Forester 9: 14-16, 42-44. 1927. 

 Watson, Russell, and Banzhaf, George, (5003) 



DISCUSSION OF SELECTIVE LOGGING, WITH SPECIAL REFERENCE TO THE SELECTIVE 

 LOGGING PROJECTS OF THE HOLT LUMBER COMPANY OF OCONTO, WISCONSIN. 



11 pp., illus. Oshkosh, Wis. 1928. 

 Weidmann, R. H. (5004) 



LOGGING METHODS THAT WILL PROMOTE A NEW CROP OF TIMBER. III. WESTERN 



yellow pine region. Forest Patrolman 2 (5) : 3-4. 1921. 

 (5005) 



SOME PRINCIPLES TO GUIDE THE MARKING AXE IN WESTERN YELLOW PINE IN 



the northwest. Idaho Forester 8: 8-11, 37-38. 1926. 



Westveld, Marinus. (5006) 



how full stands of pulpwood may be grown. Canada Lumberman 49 (20) : 

 44-46, illus. 1929. 



(5007) 



maintaining pulpwood species on cut-over land. Pulpwood 2 (3) : 6-8. 



illus. 1929. 



(5008) 



suggestions for the management of spruce stands in the northeast. 



U. S. Dept. Agr. Circ. 134, 23 pp., illus. 1930. 



Wilson, Ell wood. (5009) 



"cut the forests as they should be cut." Canada Lumberman 47 (16) : 

 32. 1927. 



Woolsey, T. S., Jr. (5010) 



cutting western yellow pine in Arizona and new Mexico. Soc Amer. 

 Foresters Proc. 9 : 479-503. 1914. 



(5011) 



marking western yellow pine. Forestry Quart. 7: 270-276. 1909. 



Zaayer, C. V. (5012) 



salvaging marble creek white pine. Timberman 25 (2) : 56-58, illus. 

 1923. 



