American karst country / Willard Rouse Jillson.

MSU: Bound with: Early glaciation in Kentucky / Willard Rouse Jillson -- The geographic surveys of Kentucky / W. Elmer Ekblaw -- Geology in the service of a new national park / Willard R. Jillson -- Glaciation in eastern Kentucky / Willard Rouse Jillson -- Kentucky cannel coals / Willard Rouse Jillson -- Kentucky fluorites / Willard Rouse Jillson -- Major drainage modifications of Big Sandy River / Willard Rouse Jillson -- Natural resources of Kentucky / Willard Rouse Jillson -- Oil domes of Ashland / Willard Rouse Jillson -- Primeval tracts of Kentucky / willard Rouse Jillson -- The principal scientific achievements of the year 1923 / Willard Rouse Jillson -- Shading of contoured topographic maps / Willard Rouse Jillson -- Structural geology of northern central Kentucky / Willard R. Jillson -- Recently abandoned entrenched meander ... / Willard Rouse Jillson -- Unique devonic sandbar / Willard rouse Jillson -- Unused natural wealth -- an opportunity / Willard Rouse Jillson -- Agricultural perspective of Kentucky geology / Willard Rouse Jillson.