 | Geological Survey (U.S.) - 1904 - 248 Seiten
...moraine trunsverselv aeross whatever filling of older drift there may have been in Troy Vallev, aero-s the supposed northward extension of the Marengo Ridge...As in the case of Lake Geneva, a long finger of ice probably continued in the basin after the ice had disappeared from the higher areas on either side.... | |
 | Ermine Cowles Case - 1907 - 208 Seiten
...the morainal front along the line of Jackson Creek valley, the northeastward extension of the lake basin. "As in the case of Lake Geneva, a long finger of ice probably continued in the basin after the ice had disappeared from the higher areas on either side.... | |
 | 1904 - 550 Seiten
...glacial lobe advanced over this area, deposited the Darien moraine transversely across whatever tilling of older drift there may have been in Troy Valley,...As in the case of Lake Geneva, a long finger of ice probably continued in the basin af ter the ice had disappeared from the higher areas on either side.... | |
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Darien moraine transversely across whatever filling of older drift there may have been in Troy Valley, across the supposed northward extension of the Marengo Ridge and the intervening trough, and was melted back to the Elkhorn moraine without entirely... 