Site of marble mined in 1836 to build the Washington Monument. Here's the text from the placque on the stone. "THIS MARKER COMMEMORATES THE ARKANSAS MARBLE IN WASHINGTON'S MONUMENT TAKEN BY BELLER AND HARP BROS. FROM THIS HILL IN 1836. THIS MARKER ERECTED 1954 BY NEWTON CO. HISTORY SOCIETY__ W.F. LACKEY PRES. MANDA HICKMAN SEC."