(US Geological) Gray's Geological Map of the United States - World/Oceans and has been professionally restored

and has been professionally restored and lined with tissue

Charles Graham started working as an illustrator for Harper's Weekly in the 1870 and provided images that weren't idealized or primitive

Arrowsmith and Lewis were very skilled topographers and their material is very scarce

This map for the city of St

5 X 21 (inches)

(US Geological) Gray's Geological Map of the United States - World/Oceans and has been professionally restoredGray's Geological Map of the United States Charles Hitchcock was the son of Edward Hitchcock a distinguished geologist and educator, and Charles continued the legacy. Working in various capacities as state geologist, he also taught at Dartmouth and was later the founder of the Geological Society of America. This map is Charles basic geological map for the US and was published by Gray with hand color identifying nine different types of formations.