... to a mile and a half wide, making the terrace. From the terrace there is an abrupt rise to the crest of the escarpment at 2,400 to 2,700 feet. When seen near at hand, however, the terrace looks like a broken region of irregular hills — the result...
Regional and Economic Geography of Pennsylvania: Physiography - Page 57
by Walter Sheldon Tower - 1906 - 69 pages
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