Page:Historic highways of America (Volume 13).djvu/88

and ten yards. The lockage was nineteen hundred and sixty-one feet and the summit was to be crossed by a tunnel four miles and eighty yards long, dug at eight hundred and fifty-six feet below the summit of the ridge. The Middle Section was divided into an eastern and a western portion. The former had two subdivisions; the first, descending from the summit, was fifteen miles in length, with a descent of one thousand and sixteen feet, from the eastern end of the summit level to the mouth of Little Wills Creek; the second subdivision, nearly fourteen miles long, and with a descent three hundred and nine feet, extended from Little Wills Creek to the western end of the Eastern Section, below Cumberland. The western portion of the Middle Section was, likewise, divided into two subdivisions; the first, sixteen miles long with a drop of two hundred and sixteen feet, ran from the western end of the summit level to the mouth of Middle Fork Creek; the second, nineteen miles long, with a descent of four hundred and twenty feet, ran from there to the mouth of Casselman's. The summit level was