Fossils from the Hall Collection.

p. 39-74, 18 leaves of plates : ill. ; 36 cm

Map illustrating the general geological features of the country west of the Mississippi River.

Map shows geological makeup of lands west of the Mississippi River; major cities, roads, and railroad lines. Relief shown by hachures. Scale [ca. 1:6,500,000]

Geological map of the Middle and Western states.

Map shows geological composition of the upper midwest, Great Lakes, and central Atlantic states east of the Mississippi River; counties and county seats. Includes key to geological composition. Relief shown by hachures. Scale [ca. 1:1,810,000]

A chart giving an ideal section of the successive geological formations with an actual geological section, from the Atlantic, to the Pacific Ocean. The whole illustrated by the characteristic fossils of each formation, by James Hall ...

map. 144 x 177cm fold. to 30 x 30 1/2cm