Illustrations of surface geology. - Hitchcock, Edward, 1793-1864. ([Washington, Smithsonian Institution, 1857)
pt. I. On surface geology, especially that of the Connecticut Valley in New England.--pt. II. On the erosions of the earth's surface, especially by rivers.--pt. III. Traces of ancient glaciers in Massachusetts and Vermont.
Keywords: Physical geography -- Connecticut River Valley; Erosion; Glacial epoch