Good puzzle, especially with a 70s vintage photo, skylines have changed a lot since then.
Best guess, Burke Lakefront, KBKL, Cleveland, Ohio. The view is looking southward, with Lake Erie waterfront at the photographer's back.
Link has an aerial view from south to north:
AirNav: KBKL - Burke Lakefront Airport Edit: Although, now, there are no tiedowns or parking apron on the north side of the runways?