This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1883 Excerpt: ...a half south-west of Lottsville, which I have called Miller's Cliff, the other on the south line of the township where the State road crosses it. The sub-Olean was positively identified only in the vicinity of Pike's Rocks, on the east, where it is a characteristic yellow, iron-stained sandstone. On the ridge holding ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1883 Excerpt: ...a half south-west of Lottsville, which I have called Miller's Cliff, the other on the south line of the township where the State road crosses it. The sub-Olean was positively identified only in the vicinity of Pike's Rocks, on the east, where it is a characteristic yellow, iron-stained sandstone. On the ridge holding Miller's cliff there is ample scope for it to appear, but I was unable to find an outcrop of it, or anything in the soil which might indicate its presence. This range of hills, however, has been so cleanly swept, rounded and drift covered by glacial action, that the rock may possibly be concealed. I have therefore colored the map as if it had been found. Nevertheless, it may be questioned whether there are not good grounds for inferring that the sub-Olean has been eroded here, and thus allowed the Olean conglomerate to bed upon lower rocks, which might partially account for its low elevation at Miller's as compared with the outliers east and south of that point: Elevation of Pike's Rocks near east side of the township, top--1980 A. T. ""Nuttall's" " south-east corner" "1955'" ""Drake's" on south line of ""1890'" 'i "Miller's cliff, "1880'" The latter view of the case seems warranted also, by the following facts: In the vicinity of Wrightsville, a massive flat-pebble sandstone or conglomerate, 15' to 20' thick, is plainly exposed in a number of places. Its top at Wrightsville is 1600' A. T. The base of Olean, here, judging by the surrounding outcrops, would be about 1910' A. T, --making an interval of 310' between the two rocks. The Wrightsville conglomerate is also exposed in several places around the ridge containing Miller's cliff, where it lies, certainly, not mor...
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