Nice classic looking Hawkeye used by Iowa for their current primary logo.
1979 - Present
Yellow sideview of a hawk’s head on a black oval background.
1971 - 1978
A golden hawk flying with claws out.
1962 - 1970
A hawk in a football helmet with a letter “I” on his shirt.
1953 - 1961
A hawk carrying a banner with “HAWKEYES” on a yellow football on a blue background.