BULLETIN 612 



SHEET No. 20 



GEOLOGIC AND TOPOGRAPHIC MAP 



OF THE 



OVEELAND ROUTE 



From Omaha, Nebraska, to San Francisco, California 



Base compiled from United States aeological Survey Atlas Sheets, 

 from railroad alignments and profiles supplied by the Union Pacific 

 Railroad Company and the Southern Pacific Company and from addi- 

 tional information collected, with the assistance of these companies 



UNITED STATES GEOLOGICAL SURVEY 



GEOBGE OTIS SMITH, DIRECTOR 



David White, Chief Geologist 



R. B. Marshall, Chief Geographer 



1915 



Each quadrangle shown on the map. with a name in parenthesis in the 

 lower left comer is mapped in detail on the U. 5. G. S. Topographic 



sheet of thai name. 



II730' NEVADA 



Scale 



500.000 



Approximately 8 miles to 1 inch 



10 15 



|<^ij('ifnbering 

 20 Miles 'c^f}^Jf/yyM\\h 



t 



I 



■a 



o 



I 



V 



/ 



2b aoKilorr.eters 



I I I I 



Contour interval 200 feet 



ELEVATIONS IN FEET ABOVE MEAN SEA LEVEL 



The distances from Omaha, Nebraska, are shewn every JO miles 

 The crossties on the railroads are spaced I mile apart 



fr 



u, 



\ 



VVr 



v. 



/ 



I ■ 



\ 



i 



I 



y 



■cc-/'^ 



■N- 



\ 



^J>\ 



\ 



.^ .■■ i 



r \ 



\ 





/ 



c;V^3 



xT 



ey' 



y 



/ 



^Vi' 





WinnemikaSa 



A 





:/-' 



0/, 



( 



V 



\ 

 \ 



\ 



J- ^ 



:> 



/ 



y- 



''^ 



'v> 



l»?--\-v-'K *-- 



U 

 / 



n' 



/ 



7j 



UfO 



(X 





7 



y 



ST=t 



\ 



f 



\J. 



I 



\ 



inn 



\ 



\ 



\ 



.* -' 



j^ /J 



■">v 



// 



/. 



y 



/. 



"7^ 



/. 



•57' 



, IP) 



'H' 



rt 



/ 



I L ' 



^1, 



/Jt-i 



1 



Golcon 



■Vi 



1' 



y 



iVCif^^ 



— <. 



rum 



Benin 



V^ 



/ 



n 



/ 



^. 



L 



i 





■ * ' J 





— - •, 



/^ 



\ 



RoseCreek 



I 



\ 



I 



I 





380 



•vV 



) 





) 



i 



fr_ 



^^^?>i 



\ 



/ 



/ 



1=' 



:Nr-^ 



Tr^. 



C< 



\J 



— ■ 



'/ 



'C:>^ 



'r-^ 



Ul^ 



i 



If ' . 



u. 



\ 



<K. 





/^U 



\ 



:y 



-ji 



■rXN 



\ 



V 



•; 



i. 



/ 



/ 



\ 



y. 



??. 



"^ 



'W> 



N 



I 



U 



T 



sJdcf, 



'J 



-^ 



•^. 



i 



\ 



\ 



/ 



' .,^' 



y 



»; 



Ml 



h 1 H 



\ 



/ 



'PC. 



/ 



a^^^ 



K^ 



1 



1 



'_'! 



■1 - 



'00 o 



i 



'^' 



o 



^^5 



/ 



// 



/ 



> 



/ 



1 



v^ 



S>J\^9. 



\ - 



:y^ 



^^cnco 





M 



■■ .' *i ' 



.j> 





X^ 



V^V 



-.w 



\ 



.\ 



ra 



C^ 



u;;v 



.'i 



7i/r 0' 



ii^ 



'-JV / 



y 



/ 



! 



^ 



Dod 



.4 



Ci> 



( ;. 



9X 



-* / c 



'"-; 



'0 



V 



r-^' 



\ 

 \ 



'(^ 





>>: 





/ ti 



\ 



(0 



/. 



y\ 



::))r.i//>:v,x-;-^ 



V 





^ 



CC^ 



^/^■^:: 



^ij^i '*'_' 



7 



'^ 



>?sc 



'', . ^, 



s, 



» ■• -v 



V 



-w, 



^ 



f 



f/ 



*\. f 



/ 



.-: 



^7, 



■N 



( 



i-vop 



y 



w/^ 



*) 



^.. 





.^^4 



L' . 



<^', 



'/;v 



y. .^' 



x^^ 



■ - 



/. 



umboldti 



C'/.^ 



ifr/:^ 



'// 



'V;n 



^1-;^ 



Ki^-^; 



V 







1 - 



\I 



.V7 



'fr 



iTj -A"- 



>■•' 



c 



--^m: 



^M 



,v 



? 



,V 



V" 1 



V 



Jf^ 



\ 



V 



14-10 \ 



\ 





C Kl-J-A^ X 



fe? 



■<.(; 





r 



< 



r 



'V 



0} 



I' 



(.7r'' 



V^ 



fJS 



^^ 



'^ 



r,-: 



7 . 



.€^:. 



^:.v< 



■■/' 



■f. 



>^; 





.0 



o 



W'lV 



if 



^ 



30' 



'( 



"1 t 



\ 



f - r^ : 



T! 



\ 

 / 



m:^-'< >K> 



!•■ 



I 



i\Kfi 



-I 



-_; 



.' f* 



i 



• ' I 



t 



' * 



RyfiPatc^v©^ 1 



.-c^^'-;. 



/ ■Uitionvine 



EXPLAKATION 



Stream deposits (allin'ium;' and sediments of Lake 

 Ijahontan 



Diatomaceous earth, volcanic sands and tiitfs, and ligrht- 

 colored shale with some associated lava flows (Truckee 

 formation); Miocene 



Lava (rhyolJte or andesite) ; probably Miocene or Plio- 

 cene 



Lava (basalt) ; probably Miocene or Pliocene _, 



Granite auid oilier coarse-grained intrusive iijneous 

 rocks ; probably Cretaceous 



QuaternaiT 



" Tertiary 



ive limestone at bottom: Jurassic 



J 



\ 



V' 



\ 



>* 



A 



^ 



JM' 



y 



.^\ 



\ 



Mfr20 



v 



ShaJes with 



Limestone and quartzite, in thick alternating- lavMTi (Star 

 Peak formation) ; Triassic 



Lavas and tuffs ^'mostly rh'yolfticj, interiayered with 

 shales and limestone (Koipato fomi&ti<m); IVkssic 



M^ozoic 



-^^ 



.\-' 



n 



^j 





SheerA/o2/ 



T~T 



Highest shore line of Lake Lahontan indicated thus 



L 



^-"2. 



\\7%o- 



