U.S. Route 75 in Kansas U.S. Route 75 in Kansas U.S. Route 75 (US 75) is a north–south U.S. Highway stretching from Kittson County, Minnesota to Dallas, Texas. In Kansas, the highway runs from south to north through the eastern part of the state. It enters the state from Oklahoma near Caney and runs north, serving the state capitol of Topeka. The highway continues north of Topeka, passing by the Potawatomi and Kickapoo Indian reservation, and passes over the Nebraska state line near Sabetha. US 75 enters Kansas from Oklahoma near Caney and almost immediately starts an overlap with US 166. The highways split about
Geology of Kansas Southern granite-rhyolite province dating to 1.35 to 1.48 Ga. Geology of Kansas The Geology of Kansas encompasses the geologic history of the US state of Kansas and the present-day rock and soil that is exposed there. Rock that crops out in Kansas was formed during the Phanerozoic eon, which consists of three geologic eras: the Paleozoic, Mesozoic and Cenozoic. Paleozoic rocks at the surface in Kansas are primarily from the Mississippian, Pennsylvanian and Permian periods. The oldest rocks at the surface in Kansas are Mississippian rocks that consist of limestones, shale, dolomite, chert, sandstones and siltstones. The Mississippian consisted of