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Allegheny river Alton coal group Alton group Alton Upper anticlinal axis Bituminous coal Black slate Blue slate Bond Vein bottom of formation Bradford oil sand Bradford sand brown SS Buttsville Cameron county Chemung Clarion clay Clermont bed Clermont coal bed coal basin coal measures containing Dalson Dark depth Detritus drift drill hole east elevation Elk county farm ferruginous fine-grained Fireclay flaggy sandstone Forest county geological gray sand Gray slate Hamlin Hamlin township hard Howard Hill iron Johnson run sandstone Kane Keating Kinzua creek sandstone Lafayette Lafayette township limestone Marshburg massive sandstone McKean county micaceous micaceous sandstone mile Norwich Olean conglomerate outcrop pebbles Plate Pocono Potato creek Pottsville record Red shale Red soil reported road sandrock sandy shaft Slate and shell Smethport specs strata stratum Sub-Olean conglomerate summit tion top of formation township upper coal valley vicinity White SS Wilcox
Page i - PARDEE, ---------- Hazleton. WILLIAM A. INGHAM, Philadelphia. HENRY S. ECKERT, Reading. HENRY McCoRMiCK, Harrisburg. JAMES MACFARLANE, Towanda. JOHN B. PEARSE, - - - Philadelphia. JOSEPH WILLCOX, Philadelphia. Hon. DANIEL J. MORRELL, - .... Johnstown.