16 



GUIDEBOOK OF THE WESTERN UNITED STATES. 



numerous wells bored for artesian water, but which can not be seen 

 from the train. The Carboniferous period was so named because in 

 many parts of the world its rocks contain an abundance of carbon in 



form 



eastern 



much coal is interlavered with 



m 



that one is not of much economic value undei 

 Attempts to mme it have not proved successful. 



Efkhorn. 



Elevation 1,164 feet 



Population 291. 

 Omaha 28 miles. 



e first station west of the Lane cut-off and is located 

 on one of the branches of PapiUion Creek, East of 

 this station the railroad crosses the eastern margin of 

 the widespread Dakota sandstone, but the rock is so 



drift 



oin 



its exact position is not known 







I^VIL 





^SA I e ^rt 



100 



Horizontal scale 



50 o 



J L_J I L ■ 1 I 



lOO M I \jis 

 r 



QUAf^rZlTE 



Figure 3.— Cross section of the rook formations from the Rocky Mountains to Omaha, Nebr. , showing how 



some of the older rocks that crop out near Omaha extend westward tmdemeath the younger formations 



and crop out again in the mountains, where all the stratified rocks have been upturned and eroded. 

 (After N. H. Darton.) 



w 



kh 



streams 



Waterloo. 



Elevation 1,124 feet 

 Population 402. 

 Omaha 31 miles. 



in the soil. 



making hut for 25 miles or more meanders over the 

 bottom lands of the Phitte. 



Between Elkhorn and Waterloo great differences 

 are noticeable both in the character of the surf am and 



east the surface is diver 

 alleys completely mantli 



mtled with loess. The loess 

 forms a fairly good soil, but its inferiority to the dark-colored loam 



•m lands 



vegetation. 



hills, in Platte Valley, the surface is flat and 



more 



(See PI. Ill, p. 11.) 



Valley. 



Elevation 1,139 feet. 

 Population 810. 

 O maha 35 miles. 



center of an agricultural district in the rich bottom 

 lands of Platte Valley. Large quantities of garden 



1 here. About 35 miles w^est of Val- 

 T will obtain his first good yiew of 



O 



Th«> railroad foUows this river as far 



grow 



Platte Eiver. Tb 



upstream as Jul^burgr, in northeastern 



distance of about 350 m 



