"Plate LXXXVII. Map showing the distribution of the marl deposits of Indiana." Detached from: Handbook of Indiana geology, part 2 / by W. N. Logan, E. R. Cumings, C. A. Malott, S. S. Visher, W. M. Tucker, J. R. Reeves. Indianapolis : Wm. B. Burford, contractor for state printing and binding, 1922. Page 774.
Imprint: Wm. B. Burford, contractor for state printing and binding
Dimensions: on sheet 18 x 32 cm; Scale: Scale not given.