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Allegheny analysis anthracite anticlinal Bald Eagle mountain belt Birch creek Black slate bottom Bradford county Catskill Catskill group Catskill rocks centre line Clinton coal basin coal bed coal measures coke Color of ash Conglomerate of XII corner county line crest crosses Eagle mountain east exposures feet of red feet thick Fireclay Fixed carbon fork Forksville Formation fossil geological gray sandstone greenish hill Interval concealed iron Laporte layers limestone Little Pine creek lower bench Loyalsock creek Lycoming county Lycoming creek massive sandstone Mauch Chunk McCreath McHenry township mile north mines mouth Muncy creek opened outcrop pebbles Pine township Pocono Pottsville Conglomerate quarry Ralston red rocks Red run red shale reddish road Rock run rocks are exposed sandstone shale shaly rock Shinersville Short Mountain side southwest specimen Sullivan county Sulphur Susquehanna river synclinal synclinal axis thin bedded Tomb's run township Volatile matter Williamsport
Page iv - WG PLATT — Geologist in charge of the Survey of Armstrong and Jefferson counties. RH SANDERS — Topographical Assistant in Dauphin, Lebanon and Berks counties.