Complex sentence: The "Cleo Rogers Memorial Library" is the second library built at this location; the first library in Bartholomew County stood on the corner of what was then Fifth and Mechanics Street (Mechanics was renamed Lafayette Avenue).
Split into simpler sentences: The "Cleo Rogers Memorial Library" is the second library built at this location. It's predecessor stood on the corner of what was then Fifth and Mechanics Street (Mechanics was renamed Lafayette Avenue).