CARY, MERRITT. 1917. Life zone investiga- 

 tions in Wyoming. U.S. Dept. Agr., North 

 Amer. Fauna, 42. 95 pp. 



CHANDLER, R. F. (See Lutz and Chandler. 

 1947) 



CHEYNEY, E. G. 1937. Sylvics. Pp. 47, 94- 

 95. Minneapolis: Burgess Pub. Co. 149 pp. 



CHEYNEY, EDWARD G. 1942. American sil- 

 vics and silviculture. 472 pp. Minneapolis: 

 Univ. Minnesota Press. 



Describes Picea engelmanni (pp. 332-334). 



CHISHOLM, R. D. (See Massey, Chisholm, 

 andWygant. 1953) 



CHOATE, CHARLU M. (See Habeck and Choate. 

 1963) 



CHRISTENS EN, EARL M., and B. F. HARRISON. 

 1961. Ecological study area at Lily Lake in 

 the Uinta Mountains, Utah. Utah Acad. Sci. , 

 Arts and Letters Proc. 38: 36-49. 



Hydrarch succession; edaphic data; and com- 

 munity description. 



CLARK, E. C. , and J. A. SCHENK. 1962. 

 Damage caused by the Engelmann spruce 

 weevil in northern Idaho. Jour. Forestry 60: 

 821-823. 



Pissodes engelmanni . 



CLARK , J. D. , L. W. W. LEHRLE , and J. H. G. 

 SMITH. 1954. Scarification in Engelmann 

 spruce -alpine fir forests. Brit. Columbia 

 Dept. Lands and Forests, Forest Serv. Res. 

 Note 25, 7 pp. 



CLARK, JOE W. 1957. Comparative decay re- 

 sistance of some common pines, hemlock, 

 spruce, and true fir. Forest Sci. 3: 314-320. 



Heartwood samples of Engelmann spruce 

 showed low resistance to three test fungi: Poria 

 monticola, Lenzites sepiaria , Lenzites trabea. 



CLARK, M. B. 1958. Exploratory direct seed- 

 ing studies, Kamloops Forest District. Brit. 

 Columbia Forest Serv., Forest Res. Rev. 

 1957-58: 38-39. 



CLARK, M. B. (See Smith and Clark. 1960) 



CLEMENTS, F. E. 1910. The life history of 

 lodgepole pine burn forests. U.S. Dept. Agr., 



Forest Serv. Bui. 79, 56 pp. 



Succession following burns near Estes Park, 

 Colorado . 



CLEMENTS, F. E. 1916. Climax formations 

 of North America. IN: Plant Succession. 

 Carnegie Inst. Wash. Pub. 242, pp. 184-237. 



Distribution of Engelmann spruce . 



CLEMENTS, F. E. 1920. Plant indicators. 

 Carnegie Inst. Wash. Pub. 290, 388 pp. 



Discusses indicators of subalpine forest (pp. 

 223-228). 



CLEMENTS, F. E. , and G. W. GOLDSMITH. 

 1924. The phytometer method in ecology. 

 The plant and community as instruments. 

 Carnegie Inst. Wash. Pub. 356, 106 pp. 



Transpiration and climatic data. 



CLEMENTS, F. E. (See Weaver and Clements . 

 1938) 



COLLINGWOOD, G. H. , and W. D. BRUSH. 

 1947. Knowing your trees . 312 pp. Wash.: 

 Amer. Forestry Assoc. 



Distribution and characteristics of Engel- 

 mann spruce . 



COMER, F. G. 1949. Logging damage in 

 salvaging beetle-killed spruce stands. 

 Master's thesis. Colo. State Univ., Fort 

 Collins. 



COOK, JERRY D. 1954. Some aspects of the 

 reproduction of Engelmann spruce. Master's 

 thesis. Univ. Wyo., Laramie. 



COOPER, WILLIAM S. 1908. Alpine vegetation 

 in vicinity of Long's Peak, Colorado. Bot. 

 Gaz. 45: 319-337. 



Community description and succession. 



COOPER, W. S. 1916. Plant succession in the 

 Mount Robson region, British Columbia. 

 Plant World 19: 211-268. 



Succession. 



CORMACK, ROBERT G. H. 1949. A study of 

 trout streamside cover in logged-over and 

 undisturbed virgin spruce woods. Can. Jour. 

 Res. C. 27: 78-95. 



Distribution of Engelmann spruce. 



7 



