(pump house, IL-16-14) in Riverside, Cook County, IL. IL171 (1st Av.) N. 0.9 miles from jct with US34 (Ogden Av.) in riverside, E. on Forest Av. 0.5 miles, S. on Woodside Rd. 200’ to the bldg on the W. side of the road. SW bldg. (N41 49.656 W87 49.217) Photo 5-12-04.