2021 Illinois Waterway Aerial Imagery Mosaics - La Grange - North 4-Band

The Corps of Engineers' Rock Island District is planning an unprecedented closure of the Illinois Waterway in 2020 in order to perform required maintenance on locks....美国陆军工程兵团洛克岛分区拟于2020年对伊利诺伊水道实施史无前例的关停作业，以开展船闸的必要维护工作。