Complex sentence: In the late 1930s and early 1940s, with a grant from the Carnegie Corporation he participated in several surveys of various states in Mexico, including one with Karl Patterson Schmidt for the Field Museum of Natural History.
Split into simpler sentences: In the late 1930s and early 1940s, with a grant from the Carnegie Corporation he participated in several surveys of various states in Mexico. Including one with Karl Patterson Schmidt for the Field Museum of Natural History.