U.S. Route 66 in Kansas new Interstate highway crossed directly from Oklahoma to Missouri, bypassing Kansas entirely. US-69 Alternate was formed in 1985 when US-66 was decommissioned; the remainder of US-66 in Kansas became K-66. The final (1985) alignment of US-66 therefore perfectly matches present US-69 Alternate and K-66. Coming from the west, US 66 entered Kansas from Oklahoma, concurrent with US-69 Alternate, also called Military Avenue. From the state line, the highway ran north through Baxter Springs. At the intersection of US-66 with West 30th Street, the highway originally traveled east onto West 30th Street and then north onto Roberts Road to get back
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