Illustrations of surface geology.
Hitchcock, Edward, 1793-1864.
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.
Q11 / .S68 vol. 9
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.
Q11 / .S68 vol. 9