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 91
river, and sloping with it in the regular lines of the upper terrace, are here very interesting, as seen extending for miles up and down the valley. Nowhere else in New Hampshire is the erosion of o the modified drift, by which it pi ^ ^ has been shaped in terraces, so / ^ 700 ft clearly and… … MODIFIED DRIFT ALONG MERRIMACK RIVER. 71 this distance, which lies through Woodstock and Thornton, we havetwo principal terraces, the higher being that just described, and thelower being wholly or in part overflowed by spring floods; but smallintervening terraces are also of frequent occurrence.…
