1 — f 



K'.m; 



I''. '_' . Lower M;ioii('.*iiui l.itiicsliitu' ol' llic 

 I |>|"" I' M I ■-'.-^ I s,< I |i ]) I 

 ex ill iiioycfl mas.^t'H niiil iiiiir.il ilifts 



ii.'MVf I'scd In' \'('ins i>l i -.ilc s[):i i , 1 .1 yri's jikI iiiiisscs of i'Ik rl 

 fiuil nose (■ () li I red (li'u>'>'('s nl' i|iirirt7. . 



112 IVel . 



QTcartzo.5e .saiul.~:ioTie of' A-ainoiis rlporcp.v' ol' nuliiratioii 

 wHk jiilercalations uf beds rf' ijiaoju'siaii limcslDMe wrlli 

 gHsteming' crjstalLnie fact^ts and ralcareoats' sihcenus oolil c 

 prHtluced hy roTLafbd masses of (jitaitz encased in a caJcareovs cenie7ii 



85 feet , 



MinnjiijIlar\'A'- Ijirtrrmdal Jayi-J^s o£ iriitti, sanilsfoiie Ijanded v\ifli vellow 



TJiiok beds of soff.yelloTfvi.sli sanffs+oni' T^-ffli liard bofn oidaf projectmo' 

 ecmci'efiQiis 1 eriuiiialmg' Ijeneaidi ni a fe\r feet of soft ,fi^lLt,fitie-KTaiud s'ajidsloiie 



olfeef. 



AHeTiva lioTLs of ffim bedded iiiihf bxow-nisli and MixeTs]] 

 saiuktaiies of difFereiif degires of liHxdnjess <t- bandof at^ilfo-cabateaits rock 



4;) feet , 



F . 1 . d. 



Greexi saadstoiie wietix iiitFrralahoii.s' of ferntofnoiis 

 saioLs'loiies and mntlb'il aviiJ s|iidh'(i didonirlic layers 

 aiid tirrotdHj mijn es'SLoiis. Silixo. 

 caleaxeonis bauds. 

 ~1 7. J feet. 



V 



Gieenusti Taarl .9±'fp1". 



ALtematiaris of thiji bedilpd a.^ili - coIotihI , ani aceoii.s, 

 })r<nriii!<k (1- lirrlil colorptl saiirl.ytrraf s 



F.l. 



-^f / Plaee of the bn PifLi en ! of Bbict 

 \ 



/J. B- Cb.ppewa ^W. Maud . 



licvcl i>i' low TTfiii'i- dE .JtLssi Msqijii .')() I,, il<-s Im'Iow Lake Pejjiii. 



Serhoji (»r ilie Iowa side nl' llic Mi .ssms ipjii .'1(1 in i Icn !)p|r»\\- L.ilu' I'cpiii ;it .i (ircal Slide 



