Bulletin - New York State Museum . h till slope of the northern face of this eminence from 570feet to the top is in striking contrast with the wave-ribbed sloj)esof the Champlain valley on the south at an equal for one or two faint traces of parallel roads and a smalldelta on the north slope at an elevation not far from 800 feetthe till slope of the upper half of the hill is practically as leftby the ice sheet. The failure of beaches and cliffs due to thework of waves in this upper zone just where waves would bemost effective had an open body of water been present to transmitt
Bulletin - New York State Museum . h till slope of the northern face of this eminence from 570feet to the top is in striking contrast with the wave-ribbed sloj)esof the Champlain valley on the south at an equal for one or two faint traces of parallel roads and a smalldelta on the north slope at an elevation not far from 800 feetthe till slope of the upper half of the hill is practically as leftby the ice sheet. The failure of beaches and cliffs due to thework of waves in this upper zone just where waves would bemost effective had an open body of water been present to transmitthe undulations of its surface against this impressionable glacialcoating is one of the most conclusive arguments for the theoryof glacial barriers. I have already described the corroborativeevidence as to the upper limit of standing water in glacial lakesfound in the abandoned spillway and waterfall of the Gulf. • A ^ +» < »^ (-» s a 4 4-3 I—( P4. • *> •H a •r« H U O 0) fl +^ •H -H • i: S * • « -rl Q) Q g rH U u. « » ^4 U fc. ,, © 0) fc. w ft a 4j ^ p. an CJ|D -J Pd »^ 1 1 1—1 1
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887
