GEOLOGICAL SURVEY OF KENTUCKY. N. S. SHALER, DIRECTOR. REPORT ON A GEOLOGICAL RECONNOISSANCE OF THE REGION ADJACENT TO THE KENTUCKY & VIRGINIA STATE LINE, FROM CUMBERLAND GAP TO THE CHATTERAWHA OR BIG SANDY RIVER BY P. N. MOORE. PART IV. VOL. IV. SECOND SERIES. W TED -0 T-X SUVEY ST IAJOR.-SrO -RRT , RYXOT-I, -Y. 217 h 218