Caption
Lithograph of a slab with multiple dinosaur trackways. From 'Ichnology of New England. A Report on the Sandstone of the Connecticut Valley, especially its Fossil Footmarks'. Boston: William White, 1858. The prints were first thought to be tracks of giant birds, but later discovered to be bipedal dinosaur footprints.
Availability
Only inBelgium, Canada, France, Luxembourg, Switzerland