Shows land suitability.
Detached from: Report on the geological and economic features of the Jackson's Purchase region ... / by R.H. Loughridge. Frankfort, Ky.: Geological Survey of Kentucky, 1888. (Miscellaneous geological reports (Kentucky Geological Survey) ; Ser. 2, v.10, pt.1)
Prime meridian: Washington, D.C.
"Julius Bien & Co., Lith."