36074
Patton, John Barratt, Smith, Ned Myron
June 1952
AM02
Patton, J. B., and Smith, N. M., 1952, Map showing location of sand and gravel pits in Indiana: Indiana Geological Survey Atlas Map 02, scale 1:1,000.000. doi: 10.5967/qz0w-9486
Indiana Geological & Water Survey - Atlas Map 02