1118 INDEX. 
PAGE “ PAGE 
Coke—definition of, 555; history of, 556; char- Deming, H. R............. ogO  OODOCDDONODOCROOIEHOEI N00 998 
acter and yield of, 557, 562, 563, 565; ash Dennison coal (see Middle Kittanning). 
Of, 558, 560; composition of, 558, 559; De Steiguer coal (Upper Freeport)....... Sciedewaihs 986 
manufacture of classified, 560. 
Coke of gas-works, 558; weight and char- 
acter of, 723. 
Coke ovens, classes of, 567 ; bee-hive ovens, 567. 
CoKE PRODUCTION—152, 327; process of manu- 
facture, 555; at Hammondsville, 209; at 
Leetonia, 189; at Salineville, 203; at 
Happy Hollow, 985; at Steubenville, 219; 
at Zanesville, 876; from Newcastle coal, 
1046. 
Coking, between walls, 564; in heaps, 560; 
in ovens, 565. 
Collins farm, coal of, 983. 
Columbiana Co., coal mines of, 184; num- 
ber of seams mined in, 185. 
Columbus and Eastern Railway, coal mines 
of, 894, 895. 
Columbus and Hocking Coal and Iron Co., 
951, 953, 954, 955, 957, 962, 963, 964, 966, 968. 
Coneretions, caleareous, carrying fossils, 268. 
Conglomerate measures, 2, 9; counted with 
coal measures, 0; contain coal seams, 2. 
Connellsville coke, 461; use of, in Ohio, 172, 
468, 473, 569 ; coinposition, 559. 
Connotton Vulley Railway, sections on line 
of, 71; mines on, 245; mines on line of 
Coshocton branch, 278. 
Connoquennessing sandstone, 2, 11. 
Consolidated Coal Co., mines of, 953, 963, 965. 
Conway coal, 162, 1040 (also see Brookville 
coal 
Cook, eee G. H., Report on New Jersey 
clavs, 643, 651. 
Cooper, Thomas, section of Waterloo coal... 
“Copperas’’ in Coal SCAMG................0seeeeceeceenes 
Corcoran, Thomas 
CORON POND YES dserscnco cones addooomasadee Rac0OD dues, Oboes 931, 936, 
(OY TANEN, TROLS decacccs cocccsosce0 Gao0c0ade ba50N 640000000000006 
Coshocton coal—place of, in series, 855; west- 
ern outerop, 856; outliers of, 855; charac- 
ter of, 856, 857; analyses of, 863, 865, 866 ; 
uses of, 859, 862, 867; thickness of, 856, 
857, 858, 859, 860, 864; exhausted from 
Coshocton mines, 864. 
Coshocton Co.—coal mines of, chapter on, 843 ; 
general section of, 848, 844; seams of 
economic value, 844; production of 
mines, 844. 
eek ee cee ee wee eee see ees seeeee eee eeees van 
Coshocton mines—mostly exhausted, 864; 
fault in, 864; Structure of seam, 865. 
CONALOFEAIONN CLAVE BES ode 00090000052:0800 660000 000000 000000 620 
Craft’s Furnace mine, section of coal.............. 962 
Oye AACE, YNo JB .cceqasconscaqson enooncco0cc.0GG beva0e dooaancco, HOE 
Greek WelniCoa leotestecsc ee eee ec eons co ecceeeee TAT 
Creightons’s coal—near Magnolia, 242; Mid- 
dle Kittanning seam, 242; structure of, 
242. 
CRINOIDAL LIMESTONE—place in series, 51; at 
McCoy’s Station, 54; on King’s Creek, 
West Va., 58; on Wills Creek, 59; at 
Steubenville, 60; in Guernsey Co., 89; 
in Muskingum Co., 98, 100; in Carroll 
Co., 255; in Hocking Valley, 918; in 
Morgan Co., 1060. 
Cumbenlanagoqwarrlestesceccctssseteccsseecocceceeees 604 
D 
Darlington cannel coal, 45 (see Middle Kit- 
tanning coal, 165). 
Davis, David—mines of, 862; section of coal 
and analysis, 863. 
IDYSENG Vyr@aelie TN TWONTTUTTONS c53400000000000003000000000000000000 337 
DMeckard3sy COMI S cece qesececkecocdanssceeseetesee accor: 1028 
Del Carbo mines, 877; section at, 98. 
Dell Roy coal field, 78, 245; exient of, 245; 
sections of, 246, 255; of Upper Free- 
port age, 244: structure of Dell Roy coal, 
248, 249; analysis of, 250; unsteadiness 
of seam, 248, 249; Lower Freeport seam, 
in field, 253. 
Disturbancepnicoalstiel dieser eee 
Disturbance of strata in Huron Co............ 
Doe, J.S8. & Co., coal mines Of..............c00 ces eeeeee 
Dolomite (see building stone). 
Donnenwirth, Andrew ............. Doscsccccsoctiocwacetes 
Door-Knobs...............+ eosuestevees Seeceses 
DWOWNELG Inari Oleeeeneceee mee nee eee ee 
Drainage oi coal mines—331, new method of, 
972; of Leadville shaft, 348. 
Drain-pipe, 349, 350, 351 (see drain tile). 
Drain tile ......... ded bextes ivan Nawetei vecgeuatcoseachssvensewme 
Drift deposits—751, 759; in relation to soils, 
766, 769. 
Drift mines—825, 327; opening of, 328. 
Drift soils of Ohio, in relation to fertility ...... 
Dugway ore—107, 411; analysis of, 412; place 
in series, 919. 
767 
Haglepunnel coalesce ere eee eee 
Hai Une n Sw ane manssspecceepessesesenecees ECHOCOON? 6060002000000 
Hatom Quarries. .iaccccsssasseesetc secrete 
East Paiestine coal tield, 196; the two seams 
of, 196. ° 
EKighteen-inch coal of Ohio Valley (see Upper 
Kittannirg). 
TolikeF OPK COB]. scsectancet eee eee Aes 
PUNTOUSVULETSEClLOnya laesesseseteee es eee eee ene neers 
Escha method, in sulphur determinations...... 
IDURD SVOEWTG TANIA 5. q00008 conaco enocecnoNoEDeNCODDOECE 
Evansdale coal, 234; analysis of, 235. 
ons pierce wen at, 1049; coal mines at, 
48. 
Ewart, J. C, Roofing-tile Works 
Excelsior Coal Co............ wsadbuete dead sctncedeenes ee eeees 
VETTES IDO TEKES TTT. oncccam acooqoocacwwoD.UEGAoHeaL 
Hederulli@reekicoals asset 
HerrieSeli-cokingyhunrnacewseeneeeseeres whe 
Fr 
Ferriferous limestone—10; character of, 16; 
replaced by, ‘‘cone in cone’’, 16, 83, 40; 
names by which designated, 19; un- 
steady in Ohio, 19; at Lowellville, 27, 
40, 41, 45, 46; sudden changes in, 46; dis- 
appearance of, 67, 102; at Zanesville, 97; 
at Hope Furnace, 110; in Southern 
Ohio, 117; in Holmes Co., 817, 820; 
strengthened in Vinton Co., 992, 993, 
1001; chief guide, in Jackson county, 
1025; in Lawrence county. 1036. 
Ferriferous limestone ore, 102 (see iron ores). 
Fin @laysquarriesre cestode cacst noses ee 
Fire-brick—687; grading of, 698. 
Fire-clay, in relation to coal seams................. 
Fire-clayr iiin ghee cee ee eee eee 
Fire-damp—in mines, 359, 363, 1018; in Steu- 
benville shafts, 222, 353. 
Fire-proofing 
Fixed carbon of coals, modes of determining... 
Flint Ridge Cannel coal—extent of, 909; char- 
acter of, 908, &70; uses, 910. 
Flint Ridge—map of, 868; horizon of, 870; 
coal of, 870, 908, 909. 
Flint Vein coal, in Holmes Co., 825-6; in 
Vinton Co., 999. 
Floodwood mines—976; furnace mine, 979; 
section of coal, 979. 
Fluxes for iron furnaces—477; use of fossilli- 
ferous limestone for, 473. 
FOSSIL -WOOG Secoussecedeccsesceeusococlevic evens essesenteeenes 
621 
142 
703 
708 
1088 
POH e.  wem eee rere seeces Dee eees essere sens POSES ose 
