704 



TIMBER RESOURCES FOR AMERICA'S FUTURE 



52. Whitney, C. N. 



normal yield tables lodgepole pine. u. s. 



Forest Serv. North. Rocky Mtn. Forest and Range 

 Expt. Sta. 1913. [Processed.] 



53. WiNTEBS, R. K., AND OsBORNE, J. G. 



GROWTH AND YIELD OF SECOND-GROWTH REDGUM IN 

 FULLY STOCKED STANDS ON ALLUVIAL LANDS IN THE 



SOUTH. U. S. Forest Serv. South. Forest Expt. 

 Sta. Oecas. Paper 54. 1935. [Processed.] 



54. Zehngbaff, Paul J. 



POSSIBILITIES OF MANAGING ASPEN. U. S. Forest 



Serv. Lake States Forest Expt. Sta., Lake States 

 Aspen Rpt. 21. 1947. 



55. ZiLLGITT, W. M. 



BASAL AREA IN MERCHANTABLE TREES AS AN EX- 

 PRESSION OF STOCKING IN NORTHERN HARDWOODS. 



U. S. Forest Serv. Lake States Forest Expt. Sta. 

 Tech. Note 324. 1948. [Processed.] 



