File:The physical geography of New York state (1902) (14778697022).jpg

Identifier: physicalgeograph00tarr (find matches)
Title: The physical geography of New York state
Year: 1902 (1900s)
Authors: Tarr, Ralph S. (Ralph Stockman), 1864-1912 Turner, E. T. (Ebenezer Tousey)
Subjects: Physical geography -- New York (State) Glacial epoch Great Lakes (North America) New York (State) -- Climate New York (State) -- Description and travel
Publisher: New York : The Macmillan company London, Macmillan & co., ltd.
Contributing Library: New York Public Library
Digitizing Sponsor: MSN

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road preglacial valley occupied by the OatkaCreek. It is fully a mile wide, which is about the widtliof the Genesee above Portageville, and it is quite deeplydrift-filled, as is the Genesee itself, the drift being a hun-dred and fifty to two hundred feet deep. This valley seemsaltogether too large for so small a stream to make. Whilethe direct connection between this and the upper Geneseehas not been discovered, Grabau is of the opinion thatthe Oatka Creek really represents the continuation of Hieupper Genesee. Chamberlin4 points out thai i Grabau, Proc. Boston Soc. Nat. Hist.. XXVI. I MM, :!.v.i-:,r,i>. z Hall, Geol. of New York, Fourth Dist., 344; Davis, ir.>c. Huston Soc. Nut. Hist.,ISM.. XXI. :,(il; Grabau, In.c. Huston Soc. Nat. Hist.. XXVI. :i(iO: Fairehild. Hull.<;<-oi. s(,c. AIM.T., vii. isiMi, I::»-I.YJ. :Orab;m. Iroc. K..M..II Soc., Nat. Hist., XXVI. IS.M. Ml.4 Third Annual Kcport, U. S. Geological Survey, 188:!. X.l. 166 The Physical Geography of New York State
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Fi<;. tio. Lower Geuesee Falls. there is much moraine near Portageville, and suggeststhat the real channel of preglacial Genesee lies to theeast of the gorge course, instead of to the west, as Grabauhas suggested. To the east of the middle Genesee there is another broadpreglacial valley, occupied by the Caneseraga Creek, whichjoins the Genesee just below the Portageville-Mt. Morrisgorge. This valley appears to be a preglacial tributary ofthe middle portion of the Genesee. According to the viewsof Grabau, which will be found stated more fully in his paper,the upper Genesee turned westward into the Oatka Creekand joined the valley now occupied by the Genesee at somepoint below Avon.1 This river received the tributaries 1 R. H. Whitbeck has carefully studied the upper gorge of the Genesee, and dis-agrees with Grabau. He holds that the river turned eastward; and that the problem iscomplicated by an interglacial gorge, now partly buried. The result of this work isto appear in the Bull.

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