Illustrations of surface geology.
By Edward Hitchcock ...
- [Washington, Smithsonian Institution, 1857]
- v, [2], 155 p. illus., XII pl. (part fold., incl. maps) 33 cm.
- Smithsonian contributions to knowledge. [vol. IX, art. 3] Smithsonian Institution publication 90. .
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.
s 13000040
Physical geography--Connecticut River Valley. Erosion. Glacial epoch.