TY - MAP AU - AU - Herron, W.H. AU - Miller, W.L. TI - Iowa Chariton Quadrangle Surveyed in 1915 in Cooperation with the State of Iowa U1 - 912.777 PY - 1918/// CY - Washington PB - US Geological Survey KW - Topgraphic Map N2 - Datum is mean sea level; Approximate mean declination, 1915 ER -