Big Rock, Illinois Highways, Secondary Highways, etc

Latitude: 41.7404 (41°44′25″N), Longitude: -88.502 (88°30′7″W)

Latitude: 41.7601 (41°45′36″N), Longitude: -88.5188 (88°31′8″W)

Latitude: 41.762 (41°45′43″N), Longitude: -88.5194 (88°31′10″W)

Latitude: 41.7553 (41°45′19″N), Longitude: -88.5489 (88°32′56″W)

Latitude: 41.7378 (41°44′16″N), Longitude: -88.4898 (88°29′23″W)

Latitude: 41.7653 (41°45′55″N), Longitude: -88.5504 (88°33′1″W)

Latitude: 41.7366 (41°44′12″N), Longitude: -88.4994 (88°29′58″W)

Latitude: 41.7609 (41°45′39″N), Longitude: -88.5472 (88°32′50″W)

Latitude: 41.7632 (41°45′48″N), Longitude: -88.5473 (88°32′50″W)

Latitude: 41.7563 (41°45′23″N), Longitude: -88.5441 (88°32′39″W)

Latitude: 41.7386 (41°44′19″N), Longitude: -88.4904 (88°29′26″W)

Latitude: 41.7552 (41°45′19″N), Longitude: -88.5481 (88°32′53″W)

Latitude: 41.7621 (41°45′44″N), Longitude: -88.5103 (88°30′37″W)