National Geographic : 1943 Apr
406 The National Geographic Magazine Fourth Connecticut Lake, Tiny Source of a Mighty River, Is Formed by a Beaver Dam "Long Tom" Currier, a guide (Plate VIII), examines a stick left by the dam's "engineers." A quarter-mile beyond this mountainside pool rises the watershed dividing the United States and Canada (page 402). I III~A/" When Dinosaurs Roamed the Valley, One Left This Three-toed Footprint Beside the Amherst College student stand models of the type which made the track in mud. Other fossils carry the imprint of ancient raindrops. One exhibit traces the evolution of the horse from four-toed, 12-inch Eohippus (page 422).