Big Rock, Illinois Highways, Secondary Highways, etc

Latitude: 41.7632 (41°45′48″N), Longitude: -88.5469 (88°32′49″W)

Latitude: 41.7626 (41°45′45″N), Longitude: -88.5472 (88°32′50″W)

Latitude: 41.7616 (41°45′42″N), Longitude: -88.5478 (88°32′52″W)

Latitude: 41.7604 (41°45′38″N), Longitude: -88.5513 (88°33′5″W)

Latitude: 41.7582 (41°45′29″N), Longitude: -88.5451 (88°32′42″W)

Latitude: 41.7411 (41°44′28″N), Longitude: -88.4969 (88°29′49″W)

Latitude: 41.7415 (41°44′30″N), Longitude: -88.4941 (88°29′39″W)

Latitude: 41.7567 (41°45′24″N), Longitude: -88.5426 (88°32′33″W)

Latitude: 41.7699 (41°46′12″N), Longitude: -88.5279 (88°31′40″W)

Latitude: 41.7607 (41°45′38″N), Longitude: -88.5198 (88°31′11″W)

Latitude: 41.7624 (41°45′45″N), Longitude: -88.5463 (88°32′47″W)

Latitude: 41.7604 (41°45′37″N), Longitude: -88.5465 (88°32′47″W)

Latitude: 41.7591 (41°45′33″N), Longitude: -88.5465 (88°32′47″W)

Latitude: 41.7642 (41°45′51″N), Longitude: -88.5488 (88°32′56″W)

Latitude: 41.7621 (41°45′44″N), Longitude: -88.5458 (88°32′45″W)

Latitude: 41.7408 (41°44′27″N), Longitude: -88.4991 (88°29′57″W)

Latitude: 41.7593 (41°45′34″N), Longitude: -88.5198 (88°31′11″W)

Latitude: 41.7629 (41°45′47″N), Longitude: -88.5487 (88°32′55″W)

Latitude: 41.7648 (41°45′53″N), Longitude: -88.5488 (88°32′56″W)

Latitude: 41.7591 (41°45′33″N), Longitude: -88.5443 (88°32′39″W)