The student of land forms finds in the White Mountains of New Hampshire exceptional opportunities for pleasant and profitable field excursions. To the advantages afforded by Prof. J. W. Goldthwait s excellent descriptions of the salient topographic features of the Presidential Range are added ease of accessibility to all parts of the mountains over trails constructed by the Appalachian Mountain Club, and the existence of an expressive contour map prepared by Mr. Louis F. Cutter.
During a short visit to the region in the summer of 1914 I enjoyed still further advantages through the courtesy of Prof. W. O. Crosby, who not only provided excursions to different parts of the range in his automobile, but also joined me on tramping trips over the highest peaks for the purpose of discussing in the field points open to debate. Let me here record my indebtedness for many valuable suggestions received in the . . .