Intermountain Forest and Range Expt. Sta. 

 "Misc. Pub. 10, 22 pp. 



GANNETT, HENRY. 1902. The forests of Ore- 

 gon. U.S. Dept. Int., Geol. -Surv. Prof. 

 Paper 4, 36 pp. 



Distribution of Engelmann spruce in Oregon; 

 composition of forest based on volume (B.M.) 



GARDNER, J. A. F. (See Barton and Gardner. 

 1957) 



GARMAN, E. H. 1957. The occurrence of 

 spruce in the interior of British Columbia. 

 Dept. Lands and Forests, Brit. Columbia 

 Forest Serv. Tech. Pub. T. 49, 31 pp. 



Morphological and distributional study of 

 spruce populations in British Columbia. 



GARRETT, A. O. 1937. The Uredinales or 

 rusts oT Utah. Univ. Utah Bui. 28(7), Biol. 

 Ser. 4(1), 81 pp. 



Melampsorella cerastii (Aecidium colora- 

 dense) on Engelmann spruce. 



GAUSSEN, H. (See Campo-Dupland and Gaussen. 

 1948) 



GHISE LIN, JON BREWSTER. 1956. Ecological 

 distribution and frequency of occurrence of 

 summer birds of the high western Uinta 

 Mountains, Utah. Master's thesis. Univ. 

 Utah, Salt Lake City. 



Community description. 



GIBSON, H. H. 1913. American forest trees. 

 Hardwood Record, Chicago 1913. 708 pp. 

 Chicago: Regan Printing House. 



General information on Engelmann spruce. 



GILBERTSON, R. L. , C. D. LEAPHART, and 

 F.D.JOHNSON. 1961. Field identification 

 of roots of conifers in the Inland Empire. 

 Forest Sci. 7: 352-356. 



GILL, LAKE S. 1935. Arceuthobium in the 

 United States. Conn. Acad. Arts and Sci. 

 Trans. 32: 111-245. 



Arceuthobium campylopodum on Engelmann 

 spruce in nature; Arceuthobium douglasii artifi- 

 cially grown on Engelmann SDruce. 



GILL, LAKE S. 1949. Shade trees for the 

 Rockies. IN: U.S. Dept. Agr., Trees, Year- 

 book of Agriculture , 1949, pp. 72-76. 



Emphasizes the importance of trees as a 

 basic resource to the Nation. 



GLOCK, WALDO S. , R. A. STUDHALTER, and 

 SHARLENE R. AGERTER. 1960. Classifi- 

 cation and multiplicity of growth layers in the 

 branches of trees. Smithsonian Misc. Coll. 

 140(1), 294 pp. 



Includes analysis of growth layers of annual 

 increments. 



GOLDSMITH, G. W. (See Clements and 

 Goldsmith. 1924) 



GOLDSMITH, G. W. ,andj. H. C. SMITH. 1926. 

 Some physico-chemical properties of spruce 

 sap and their seasonal and altitudinal varia- 

 tion. Colo. Col. Pub. Sci. Ser. 13(2): 13-71. 



GOODELL, BERTRAM C. 1958. A preliminary 

 report on the first year's effects of timber 

 harvesting on water yield from a Colorado 

 watershed. U.S. Forest Serv., Rocky Moun- 

 tain Forest and Range Expt. Sta. Paper 36, 

 12 pp. 



Community. 



GOODELL, B. C. (See Love and Goodell. 1960) 



GOODMAN, G. J. 1950. A new variety of 

 Engelmann spruce. Madrono 10(6): 177-178. 



Description of Picea engelmanni var. glabra 

 from the Medicine Bow Mountains in south- 

 eastern Wyoming. 



GORMAN, MARTIN W. 1899. Eastern part of 

 Washington Forest Reserve. U.S. Geol. 

 Surv. Ann. Rpt. 19, 1897-98, Part V- Forest 

 reserves: 315-350. 



Distribution and community. 



GOWSELL, M. G. (See Plummer and Gowsell. 

 1904) 



GRAHAM , DONALD P. (See Hawksworth and 

 Graham. 1963) 



GRAHAM, EDWARD H. 1937. Botanical studies 

 in the Uinta Basin of Utah and Colorado. Car- 

 negie Museum Annals, Pittsburgh, vol. 26, 

 432 pp. 



Community description. 



GRAY, A., and J. D. HOOKER. 1880. The 

 vegetation of the Rocky Mountain Region and 



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