Hand colored antique geological map of New York state, with colored key, showing areas of various deposits and types of limestone, slate, sandstone, etc. from Lower Silurian, Upper Silurian, Devonian, Eozoic, and Lower Cretaceous, etc. From Asher & Adams' Atlas of New York. Very good condition with some minor foxing near center seam. Measures approx. 13 x 19 inches.
Item Number: NYO227