Bulletin of the Geological Society of America . i ft; fl +j •*» u 00 O « a tel S a o u ^ t-^ 1 G ^ 0) Tt< ^ cS H +J OS i» o r ^ XXXII—Bull. Geol. Soc. Am., Vol. 34, 1922 482 J. E. TODD—THE CHANNEL OF THE MISSOURI RIVER. rj o a) -(-> 0) S r/j a; 0) ^ ^ H «M o 1 a > o ~. O) 0) 9 b S -O ^ <v t^ ^ ai o ^ «»-i ?^ il oo (3 :; a OJ ^ ,Q ^ o ^ o >! ^ ^ OJ w o ^ ^ oJ ::; ei A 5C -a o .-i o Cli ^ -^ cS OJ t; a ^ Xfl 2 o a i3O o o ~ n m m ^o O ^ :; Tt O a ^ o H .-J a >i Oi Oi Xrf > o EAST AND WEST BIJOU HILL 483 the basin. In the vicinity of Virgin Buttes boulders are found rising to


Bulletin of the Geological Society of America . i ft; fl +j •*» u 00 O « a tel S a o u ^ t-^ 1 G ^ 0) Tt< ^ cS H +J OS i» o r ^ XXXII—Bull. Geol. Soc. Am., Vol. 34, 1922 482 J. E. TODD—THE CHANNEL OF THE MISSOURI RIVER. rj o a) -(-> 0) S r/j a; 0) ^ ^ H «M o 1 a > o ~. O) 0) 9 b S -O ^ <v t^ ^ ai o ^ «»-i ?^ il oo (3 :; a OJ ^ ,Q ^ o ^ o >! ^ ^ OJ w o ^ ^ oJ ::; ei A 5C -a o .-i o Cli ^ -^ cS OJ t; a ^ Xfl 2 o a i3O o o ~ n m m ^o O ^ :; Tt O a ^ o H .-J a >i Oi Oi Xrf > o EAST AND WEST BIJOU HILL 483 the basin. In the vicinity of Virgin Buttes boulders are found rising tothe level of about 2,200 feet. On the north slope, south of the MoreauEiver, evidence of a similar altitude is found by the occurrence of similarnorthern boulders capping Patched Skin Buttes. What seems incon-sistent is the fact that south of the Patched Skin Buttes no drift bouldersare found over a considerable area of less altitude. The extent, also, ofthis driftless area on the south is surprising in its narrowness and the factthat it is more than 100 f


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1890