claim: Salt River Valley contains the Massachusetts Bay Transit Authority.
evidence: The 1952 All-Pro Team consisted of American football players chosen by various selectors for the All-Pro team of the National Football League -LRB- NFL -RRB- for the 1952 NFL season .. American football. American football. All-Pro. All-Pro. National Football League. National Football League. 1952 NFL season. 1952 NFL season. Teams were selected by , among others , the Associated Press -LRB- AP -RRB- , the United Press -LRB- UP -RRB- , and the New York Daily News .. Associated Press. Associated Press. United Press. United Press. New York Daily News. New York Daily News