TIMBER GROWING AND LOGGING PRACTICE IN CALIFORNIA 75 
the stiinipago holding, qualit}" of hind, condition of early cuttings, 
and nature of the business. The opportunities for successful busi- 
ness enterprises in this field warrant such an expert study of the in- 
dividual holdings or operations. 
LITERATURE CITED 
1. Berry, Swift. 
1918. A study of the grades of lumber produced from California pine, 
fir, and cedar. In Timberman, March and April. 
2. 
1921. The value of young growth on cut-over land. In Jour, Forestry, 
vol. 19. pp. 907-913. 
3. 
1924. High-lead logging in California. Official report of California 
Forestry Committee. In Timberman, March. 
4. Birch, D. C. 
1918. Extra costs in logging national forest stumpage. In Jour. For- 
estry, vol. 16, pp. 909-914. 
5. Bruce, Donald. 
1922. The relative cost of making logs from small and large trees. 
Univ. of Calif. Col. Agr. Public Bui. 339. 
6. 
1923. The relative cost of yarding smaU and large timber. Univ. of 
Calif. Col. Agr. Public Bui. 371. 
7. Dunning, Duncan. 
1923. Some results of cutting in the Sierra forests of California. U. S. 
Dept. Agr. Bui. 1176. 
8. Forest Service. 
1922. High lead logging in California pine. Synopsis of preliminary 
report. In Timberman, January. 
9. Larsen, J. A. and Lowdermilk, W. C. 
1924. Slash disposed in the western white pine growth of Idaho. U. S. 
Dept. Agr. Circ. 292. 
10. Peakson, G. a. 
1912. The influence of age and condition of the tree upon seed produc- 
tion in western yellow pine. U. S. Dept. Agr. Forest Serv. Circ. 196. 
11. 
1923. Natural reproduction of western yellow pine in the southwest. 
U. S. Dept. Agr. Bui. 1105. 
12. Price, Jay H. 
1924. Relation of quality of lumber produced to percentage of stand 
cut. In Timberman, May. 
13. Show, S. B. 
1922. An analysis of the cost of sawing logs. In Timberman, July. 
14. and Kotok, E. I. 
1924. The role of fire in the California pine forests. U. S. Dept. Agr. 
Bui. 1294. 
15. Weidman, R. H. 
1921. Forest succession as a basis of the silviculture of western yellow 
pine. In Jour. Forestry, vol. 19, pp. 877-885. 
