Edited by James E. Palmer and Russell R. Dutcher - University of ...

stone is sometimes petro[iferous.Enter Cloverport.was once an importantning as early as 1798,ucky tobacco and othergoods down the Ohio and Mississippi Rivers toNew Orleans. Abraham Lincoln, then a boy ofseven, with the rest of his family crossed theOhio River on a log-raft ferry near here in1816 enroute to the new family home inand Kentucky Route 105 inCloverport. Turn right (south) on Kentucky105.Tar Springs Sandstone in roadcut immediatelysouth of the raiiroad crossing.Glen Dean Limestone (Late Mississippian) onlieft.Glen Dean Limestone in bluff on right.Junction Kentucky Routes 105 and 992.Junction Kentucky '105 and 992; continuesouth on 105.Glen Dean Limestone on right; the top of thehill is capped with sandstone of Pennsylvanianage.Vienna Limestone (bate Mississippian) onright.Junction Kentucky s 105 and 261 atMcQuady; continuees I85 and 108.km) south of thisith Pennsylvanian sandstone.The field trip route for the next 50km) skirts the Pennsylvanian borderof the Western Kentucky part of the IllinoisJunction Kentuoutes 79 and 105; turng Sandstone and HaneyLimestone (both Late Mississippian).Glen Dean Limestone in roadcut at top of hill.Sand Knob, a Pennsylvanian outlier, is ap-.2 mile (-3 km) west of the highway(fig. KY-5).Figure KY-2.Generalized geologic column showing stratigraphicunits along the route of the secondday of the trip.Bluff of Caseyville conglomeratic sandstone(fig. KY-3).About 5 miles (8 km) south are abandonedworks into the Breckinridge cannel coalwhich during the past century attained someprominence as a coal-oil feedstock.A one-half-ton block of this coal is ondisplay in the rotunda of the U.S. GeologicalSurvey building in Reston, Virginia.Bluff of Caseyville conglomeratic sandstonein Shafer Hill north of highway.Exposures of Tar Springs Sandstone (LateMississippian) on both sides of the highway. Itis a gray to tan, massive, fine-grained sandstone.In this area, the basal part of the sand-Figure KY-3. Bluff of cross-bedded and honeycombedCaseyville conglomeratic sandstone, U.S.Route 60, east of Hawesville, Kentucky. Thelow topographic position of the Caseyvilleat this point is due to channeling and faulting.(Photograph from McGrain and others, 1970,fig. 17.)