(Niabi RR, 92', 1966, 13-81-A) across a ravine in Niabi Zoo Park, NE of Coal Valley, Coal Valley Township, Rock Island County, IL. 1st St. N. 1.7 miles from jct with US150 in Coal Valley, E. on US6 0.6 miles, S. on Niabi Zoo Rd. 0.6 miles to the zoo at 13010 Niabi Zoo Rd. [Used as a garage to park the narrow gauge train at night.] Admission. (11-1998, approximate) Photo by Don Burnell.