The geology of New Hampshire : a report comprising the results of explorations ordered by the legislature (1874)
New Hampshire. Geological and Mineralogical Survey, Hitchcock, Charles H. (Charles Henry), 1836-1919, Upham, Warren, 1850-1934, Huntington, Joshua Henry, 1833-1904, Quimby, Elihu T. (Elihu Thayer), 1826-1890, Scudder, Samuel Hubbard, 1837-1911, Flint, William F, Edwards, Arthur M. (Arthur Mead), Hawes, George Wesson, 1848-1882 · Concord : E. A. Jenks, state printer · leaf 331
lls, and the direction taken by theseslopes, have been determined by the glacial current, which produced thestriae with which they are parallel. Slopes of till accumulated on the lee side of projecting ledges havebeen described by European glacialists, the hill and the detritus shelteredbehind it… … GLACIAL DRIFT. 289 rock occur near their base, and evidently form a pedestal capped by arounded mass of till fifty to one hundred feet in depth. These hills of glacial drift may be recognized by their smoothed sur-faces, overspread, indeed, with the large boulders which are common inthe upper till,…
