Greenfield’s Lost Museum: Dexter Marsh and the Dinosaur Tracks Many local people know that Dexter Marsh (1806-1853), quarrier — stonemason, janitor, handyman, and jack-of-all-trades in 19th-century Greenfield, MA — was among the first to discover dinosaur footprints, but how many know that he opened one of the first dinosaur museums in the country? In 1835, when he first saw the prints, he thought they had been left by very large birds —… Read More