920 GEOLOGY OF OHIO. 
PFLGUR XS 
GENERAL SECTION OF THE aaeeinie VALLEY CSOAL FIELD. 
Grimoidol Limestone,fmes of Nidvews_____.5- Sass 
Shales, ced ox dwols aera hemotite 44-42 ; 
Ring \armectone j\reeccinked, oftemmerbaxed yesulse 2) == 
Slialies ceding case et Auk iA Wc Clase Aa 
Combridge lime: imaestous Black Limestone. __/0) = 
ae tura Veuches) 
Sitabessh Cs Ma ara weal Earaantate 25) = 
Wokowtag Somdstone’ Uppex bed. -—————-—- 20 i i 
Brush Creek Caal Che) ran ange aS 
Sha GaN espe ana ae a ae ene 
Brush Creek Limestone. ee 
Manos geese ere 
Urpew Fecapors Gaal aaa 
\ppex Freeyor’, Pire-choy ieee I 
bp pes I'tee pact erro 5 
eee Sandsbouna oe Suse 
(ower Freepock Oe ars 
Lourac oe ~chiaxy ood, Lancestoea——— sf : 
aes elWous sda? sl 
es oo to 13-8 
Shales lal ding: Stan otk Midas 10s 
Slaoles ond <oe ip OS 
\ouarent Kitbounaind, Cre a je 
Lower \Nubbosonaaaasg Choy; ond Skrales,-—- ——- £0 | 
Kereuherous limaestoue ond Bokwa. casi ae § 
Clasios Coal-bLossom-— scldow seeu--7 Ff 
\okerval, Somdstane aack Sheate 80) | eee eet 
Pubuomllilt anectone ond Vue oon __7/\ \\\ 
\aberval, , Wire-clan aad Shaole_---— 157 — ce 
Tionesta Revs (NEBL ietequlary— eer ey 
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‘Tioweshe Clay? inceghalan —_ ee A & 
\abevua —— mii RK 
Ore : : 1 esametaees te 
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