Geological Map of the Middle and Western States, 1843

Geological Map of the Middle and Western States, 1843, by James Hall. Scale 1”=30miles. Hand-coloured lithograph, 60.5 x 84cm, folded. Colours bright and clean. Slight transferring of print on facing folds, prior to colouring. Slight age toning to outward facing fold panels. In good to very good condition.