Forest Type Classes 



1. White pine group : 



a. White pine . Forests in which 20 percent or more of the 

 stand is western white pine. 



b. Western red cedar . Forests in which 50 percent or more of 

 the stand is western redcedar and less than 20 percent is 

 western white pine. 



2. Ponderosa pine : Forests in which 50 percent or more of the stand 

 is ponderosa pine and 'less than 20 percent is western white pine. 



3. Larch ; Forests in which 50 percent or more of the stand is larch 

 and less than 20 percent is western white pine, 



4. Douglas-fir : Forests in which 50 percent or more of the stand is 

 Douglas-fir and less than 20 percent is western white pine. 



5 . Lodgepole pine group : 



a. Lodgepole pine . Forests in which 50 percent or more of 

 the stand is lodgepole pine and less than 20 percent is 

 western white pine. 



b. Whitebark and limber pine . Forests in which 50 percent 

 or more of the stand is whitebark and/or limber pine 

 and less than 20 percent is western white pine. 



6. Spruce- fir gr oup: 



a. Spruce . Forests in which 50 percent or more of the 

 stand is Engelmann spruce and less than 20 percent is 

 western white pine. 



b. Hemlock-grand fir . Forests in which 50 percent or more 

 of the volume is hemlock,, grand fir , or alpine fir, singly 

 or in combination, and less than 20 percent is western 

 white pine. 



7. Hardwoods : Forests in which 50 percent or more of the stand is 

 hardwood species and less than 20 percent is western white pine. 



Ownership Classes 



1. National forest ownership. Federal lands which, by executive or- 

 der or statute, have been designated as national forests, purchase 

 units, or experimental areas, or have been placed under the admin- 

 istration of the Forest Service. 



2. Indian owners hip. Indian tribal lands and trust allotments. Lands 

 held in fee by the Federal Government but administered and managed 

 for Indian tribal groups, or allotted in trust to individual Indians. 



-33- 



