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| | U. of Akron, Geology, Sasowsky, leslyabs |
 | | Age of Qt1 be is estimated as at least Middle Middle Pleistocene to Early Pleistocene by correlation of soil physical properties on Qt1 be to soil chronosequences developed for Susquehanna River alluvial terraces, further downstream. |
 | | Early Pleistocene ice dammed the northeast flowing West Branch Susquehanna River at Williamsport, forming Glacial Lake Lesley, a 100-km-long proglacial lake. |
 | | Ramage, J.M., Gardner, T.W., and Sasowsky, I.D., 1998, Early Pleistocene glacial Lake Lesley, West Branch Susquehanna River Valley, Central Pennsylvania: Geomorphology, v.22, no. 1, p. |
| www.uakron.edu /geology/facpages/ids/leslyabs.html (418 words) |
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