Trilobites of Wisconsin Minnesota Antique Fossil Print 1852 A
Trilobites of the lowest Sandstones of Wisconsin and Minnesota
Issued 1852 Philadelphia Lippincott Grambo & Co Illustrations to the Geological Report of Wisconsin Iowa and Minnesota by David Owen.
In G condition or better age toning light foxing.
Sheet measures c. 8 3/4 x 12 1/4.