2 Miscellaneous Circular 71, U. S. Dept. of Agriculture 



Most of the mountain ranges of this type are those that break the 

 continuity of the " deserts" of western Utah. Rainfall on them is 

 materially less than at equal elevations on the higher mountain 

 ranges, and timber growth is accordingly poor. 



Figure 3 shows how completely national forests cover the moun- 

 tain ranges exceeding 8 7 000 feet in elevation. The chief reason why 





Fig. 1.— The national forests of Utah 



the higher mountains of northern Utah, such as those extending 

 from Salt Lake City to Ogden and thence northward, are not in- 

 cluded in any national forest is that they lie within the boundaries 

 of the grant to the Union Pacific Railroad, which was given alternate 

 sections in strips 20 miles wide on each side of its right of way. 

 Other lands were granted to the State, and still others have been 



