In October 2016, the iconic land formation known as Little Jerusalem became part of The Nature Conservancy’s Smoky Valley Ranch in Logan County.The 332.5 acres in Logan County known as Little Jerusalem is the largest Niobrara Chalk formation in Kansas. Today, these formations are host to 85-million-year-old fossils of clams, mosasaurs, bony fish and shark’s teeth. They also provide unique and important habitat for ferruginous hawks, cliff swallows rock wrens, green toads and many other native amphibians and reptiles.