<Tr> <Th> Coordinates </Th> <Td> 39 ° 56 ′ 27" N 90 ° 32 ′ 02" W ﻿ / ﻿ 39.94083 ° N 90.53389 ° W ﻿ / 39.94083; - 90.53389 Coordinates: 39 ° 56 ′ 27" N 90 ° 32 ′ 02" W ﻿ / ﻿ 39.94083 ° N 90.53389 ° W ﻿ / 39.94083; - 90.53389 </Td> </Tr> <Tr> <Th> Area </Th> <Td> 17.6 acres (7.1 ha) </Td> </Tr> <Tr> <Th> Built </Th> <Td> 1939 (1939) </Td> </Tr> <Tr> <Th> MPS </Th> <Td> Illinois Waterway Navigation System Facilities MPS </Td> </Tr>

Lagrange lock and dam on the illinois river