Subject: United States, Geology
Period: 1873 (dated)
Publication: Gray's Atlas of the United States...
Color: Hand Color
Size:
26.5 x 16.3 inches
67.3 x 41.4 cm
This atlas map was drawn by Charles Henry Hitchcock, whose first geological map of the United States was completed in 1872. It presents remarkable geological detail with a color-coded legend identifying six different geological types including Eozoic, Paleozoic, Coal Measures, Mesozoic, Conozoic, and Volcanic. Geographic features include major mountains, cities, rivers, and a few major cities.
References:
Condition: B+
There is a bit of faint offsetting and light toning/dampstains along the sheet edges. Edge chips in the top corners are confined to the far blank margins.