Complex sentence: The library was kept in the offices of the Wisconsin River Pilot newspaper and residents could purchase membership to the club and the right to check out books for $3 per year or 25 cents per week.
Split into simpler sentences: The library was kept in the offices of the "Wisconsin River Pilot" newspaper. Residents could purchase a membership to the club and the right to check out books for $3 per year or 25 cents per week.