us GEOLOGICAL SURVEY. 



MONOGRAPH XXV. PL. XXX 



.MM' OF TIIK WT-STERX SHORKS OF LAW; AOASSIZ. IXCU'DING THK PKMBIN'A DELTA.KROM PARK im'EK.W.VLSII COraTC 

 NOIlTll Tlllton.ll I'KMHINAAXDCAVALIEK COUNTIES.XORTH DAICOTA.TO TIIK INTERNATIONAL HOUXDART. 



Scale, () inilos to an inch. 



L;ik<' .Vi'ea 



Delia 



.Klliittiles or K^ilwiiy stiilioTi.s 



I Moi'iujies 



oted in /eet above t/ir sea . 



