the Yellow Pine ?ype. Per instance, the lower bottoms of Ditch 

 Creel; and Owl Creek have large pure stands the t "become mi;:ed 

 further up the etr earns, although slope, exposure end other 

 factors renBin nmch the same in the case of Ditch Creek. Pcurth 

 of July end Tagonhammer Creeks ere higher then the Creeks ;iust 

 mentioned and pure stands are much less ertensive. At these 

 places, hovrever, the factors of slope and exposure are favorable 

 to Douglas fir. But Silver and lorphyry Greeks have excellent pure 

 stands of yellow pins at elevations greater then en lourtl: cf 

 July end "Tagonhamrier Creels, nemsly at 6,000-6,800 feet (esti- 

 mated) . iDhus it is evident that elevation is not of greatest 

 importance. 



On IdcL, Fourth of July, "'asonhammer, Hughes and many 

 other creeks the moderate norther^ slopes shov; strong competition 

 "bo-bT7e en yellow pine and Douglas xi r nhile the southerly erzposures 

 are usually pure yellov? pine. Kais condition is especially 

 noticeable on Hughes Creel: v;here the southerly exposures have 

 pure yellow pine up to elevations of about 5,000 feet; the 

 higher slopes show Douglas fir entering, to predominate at about 

 5,500 feet; the northerl37 slopes, v;hich are steep, have pure 

 Douglas fir, merging into mixture with lodgepole pine and al- 

 pine species at the higher elevations; while pine and fir com- 

 pete on the lorver moderate slopes facing the north end northeast. 

 The steeper the slope, the harder are conditions for yellow pine, 



