Kansas: A Cyclopedia of State History… (1912)
“ In requesting the newspapers of Kansas to urge the importance of saving such relics and remains when found, he says: “Here we have a buried race enwrapped in a profound and startling mystery—a race whose appearance and exit in the world's drama precede stupendous changes marking our continent, and which perhaps required hundreds of thousands of years in their accomplishment. The prize is no less than determining when this mysterious people lived, how they lived, when they passed out of existence, and why they became extinct.” ”
