Geolo and //"/</////<>/ Northern /'//r-v/v //>///////. 



A few miles helow tin- railroad crossiiiu'. tin- \all<-\ expand- 

 and opens into tin- famous / .,- " had land- >f 



tin- Missouri." TlieCOnrteof that >trcam Mlijettfl 



: and I In- \ alleys of t he trihutaries ninninir imri h and ><mtli. 

 co.de.-ce. and form in tin- old lakc-hcd a picture-Mine l-nt ilai, 

 ous lahyrinth. 



A- -""ii as one enters the vallev of the Yellowstone, he find* 

 himself MiiTounded ly t ransportcd material. ( \ ravel and hould- 



!' cry-talline. sedimentary and \olean :nn tin 



and hars of tin- river, inciva>ini: in OOUrseneM and |tiantitv all 

 the way to Livingston : hnt in all this material I was unahle In 

 tind anything that was to me even pivsumahlv of ea.-tern or 

 Dr. ('. A. White. (Am. .lonrnal of Sci.. vol. \\V. 1 

 reports lindini: what he consider- ea-tei'n glacial drift aloni: the 

 valley (f the Missouri and that of the Yellow-ton,- : hut my 

 >eareh for sueh material was vain. As will In- seen further "ii. 

 1 found in the \alley of the M ioiiri ahout the Fall-. ian- 



tities of drift with houlder- of f, .>>ilifrroii> lin 



'id granite, all reinarkahly like the Kastern drift, hut 

 which 1 subseijuently traced to tin ir jilaco \' origin in the 1 

 Mountain.-. 



The surface ^eolo^v of the Yellow>toiie Park ha- hr-n le- 

 scnhed in con.-iderahle detail hy Mr. \V. II. Holme.- and Mr. 

 A. ('. Peale : hut 1 was surpri.-ed to find the trace- i.f i 1 ! 

 action BO \\ ide-.-pread and unmistakah e. It is jirohahly not 

 too much to say that every \alley of the Pal ':lled 



with ice: for moraine-, h.-ulder-. -la< lal lak. -. and more rarely 

 -lacial >tri,-e. irive le.-t imony t hat cannot he disjiuted. I 

 hlock- are -een on the >ides of the Yello w-!. ne valh 

 the mouth of dardnei'.- Iii\er : and ahmit Mam mot li Hot Spi 



\ de)M-e-- held a glacier. S\\an Lakt irial 



and is h.,unded on the.-oinh li\ a moraine, wl),: 



and ,-triated nn-k->urface> mark the ..Id 

 hi-h up on tin dlej, I H^. tin- 



road lr;id- over a - ;m 'l 



houhler-. \\hich i-mitinue to and around the ! n H 

 and pm\e that i tilled with ic. 



all that I could learn. ' i. 



portion of the Park, n ' "II 



