Waterloo · Versions URL: https://knowledge.ivjn.us/en/places/il-waterloo/versions.html Waterloo is a city in Monroe County, Illinois, United States. - rev 4 (2026-11-01) : 当前版本 https://knowledge.ivjn.us/en/places/il-waterloo/at/4.html Page 1 / 1, 1 total