Referenced Latitude/Longitude

property	value
Latitude	41°
Longitude	-90°

Bounding Latitude/Longitude

property	value
Top	41°, 84.0 km
Bottom	40°, 85.3 km
Left	-90°, 111 km
Right	-89°, 111 km

Physical Sizing

property	value
Size	9,422.4484 km²

Confluence

property	value
North West	41.0°, -90.0°
North East	41.0°, -89.0°
South East	40.0°, -89.0°
South West	40.0°, -90.0°