In a bed of sandstone on the bank of the Connecticut River near Holyoke, Mass., Professor Edward Hitchcock of Amherst studied some curious footprints which had been called to his attention, advanced the theory that they were those of huge prehistoric birds. That was in 1858. Later scientists definitely attributed the tracks to Triassic dinosaurs of various sizes and unknown species. Some 20 individual prints were visible, ranging in length from three to 18 inches. The biggest tracks and the longest strides indicated that the largest lizard was 25 ft. long....
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