He became involved in Mesozoic reptile work once more during the late 1930s and early 1940s due to Chester Stock 's expeditions into the Panoche Hills during this time .
Furlong went on to do important research into ancient mammals .
Furlong became involved in Mesozoic reptile work once more during the late 1930s and early 1940s due to Chester Stock 's expeditions into the Panoche Hills during this time .
Furlong went on to do important research into ancient mammals .