The semiarid plains of western Kansas and eastern Colorado are hardly the setting for an agricultural empire, but it was here that former field hand John Kriss managed G-K Farms for Wichita entrepreneur Ray Garvey. Their enterprise became one of the largest wheat operations on the plains and yielded Kriss a one million bushel crop. Harvesting the High Plains is the rags-to-riches story of how Kriss applied hard work and common sense...