INDEX. 1117 
PAGE PAGE 
China-wate .............. (hea acne ce eeeas statyeststnes cota vepes 682 | Coal—Continued. 
CHIPPEWA MINES... 2......c.2... ccc ceecseceosee coosvonee 789- 791 methods of analysis discussed............... 1088 
Church Hill mines, analysis of coal, 171; losses in MinNING ..............2.05 155, 832, 925, #0 
cannel in seam, 171. preparation of, for market..................... 
Cincinnati and Muskingum Valley R. R., WS@SVO fayeen Sueteneiwens, 5, setae, co narot Sat ea ae 150 
coal mines on...... BE Pe eS RRS ret ih OO 876- 892 ONAOMNUO CAANAIAY Ol? coco cncosa dooccnebontebenc6000N00 155 
CinCINMaAtVARKIS Ses scscesiicannesseveccoseeetes ee nee meres 134 SCLEEMIN CeO] eee ot cocine dc dahoecceeeer neem 153 
CLARION COAL— BURN GIES) | OOO ICC | sccooconasbeas lends Ensooosacen 154- 328 
(Synonyms, Serub Grass coal, limestone economy in using , aN -w151— 155 
coal), Sometimes Coal No. 4, 5. 95, 102, proportions left in pillars .. PAM EEE GOR CoOL 309: 
1041; divisions of, 162; general charac- size of, as affected by mining................. 316 
ters ‘of, 162 ; mined in Mahoning Co., washing OH GEKA SS c6 olan ots aeeeeopododucoceoos | OL Ub 
179, 184, 186 ; in Leetonia field, 192; at Stan Garggunicknessieccessseeeieee eee 327- 347 
Steubenville, 208; in Holmes Co., 828; DONEECOa SAO, ces 887, 922- 929: 
Perry Co., 887. (See Scrub Grass coal.) MOGINCOME sect wececccs les nctce tse cate eile Sosteeees 948 
CLAY S— Chapter Okc cc.cccssercccecccneeecesecosccescses 643 as furnace fuel.................... Uedideceeht Sue seees 461 
Origin Of............cee00 Nitcssascas bles vavwoehoteteese 644 where first used................. 452 
Localities of— Coal Field of Ohio— ; 
Akron . 662 UNCAIO leeicahceecceescetcsee cocoons so ee sate 134, 817- 444 
VANIDATIY UNE Naeeeces.cosvecedatecctceseciece aces ceseees 671 SUTPUICHBYRE: OIE addconoocqccodoccascbo000- coosoo ecco! Hl IGE 
Bolivar 667 GUDKOLIDE OS Seve vessses sche son Oe east ok eas ee 138 
Gane Get ceeet so scvveuwsostesuvsseewnwcercovecccswece 663 | Coal Mpatcs classification of, 1, thickness 
CoplentzRGenmamyfeccerccce-scociscccsseceticrets GOOF a PSE Ol encatvestereccincou cen ere ens kov duces ctttweseacoontcestees 446 
Gros Almerode, Germany ...............0..066 654 | CoAL SMGiNione IN OHIO—chapter on, 301; be- 
Hayidenvilll ewe ees atest wnaieseceoees 663 ginnings of, 318, 319; in England, 201, 302; 
MG RTASOND CLO) .565d00 G90000 00008006000000000 000 600600000 665 systems of British mining, 305; pillar 
TOP AM eee hee ae aeveescceesoawececs us sees csitve see seeestees 661 and room system, rules for, 305, 307 ; 
IN [o>:€31) 01 I Wee ore SRR CRE ei conee CROC ne Soe ecetres 666 longwall system, 306; obstacles to ‘long- 
IN OUI ENUU EEE co0c0.c09000000000000009 ER0004 647, 654, 657 wall system, 307; advantages of long- 
IMATE LEXOWTNEG. cooadoosde0 000000 600000000. 60000000 648- 665 wall, 314, 316; size of pillar, according 
MN SSOUIGI see esccccseoth: caccsccssesssectascacccseses 701— 651 to depth, 309 ; drawing of pillars, 811, 318, 
Neweastle, England Lares ic see aly NGA EE 654 314, 334, 356; opening of mines, 328 : 
Newcastle, ONTO} e casees essai ves esee see eek ies 666 classification of mines, 323; conditions 
Oakey es icletensedsaseaearos cade 666 of mining in Ohio, 324; mineable thick- 
TRO SFENVAUDKE sc5co4p00be0 coaccs cae HSUcO dE sICEuCD 006000000000 664 ness of seams, 327; drainage of mines, 
FIETKOUONTAUDIE ooo on ocdcgg-62000 900000 650006 050000000000 661 831, 972; faulty. systems of mining, 332; 
SprneiielatC@larkelCopeetscssdecccsccsscstee 657 tools used in mining, 302, 335; machinery 
Springfield; Summit Co... occ.csc-cc0ceee ee 662 used, 339; coal cutting machines, 342; how 
Stourbridge, England .................00.. cesses 651 viewed by miners, 344; labor of mining, 
Geolvogical horizons— 336; explosives used, 336 ; dead work, 
J STREXS] OOS (COL WES « aeces 000060 codueaGa0 cadena coos aocd0d 667 337: nationality of miners, 347; cost of 
Kittanning coals.. ..665, 666, 676 equipping mines, 348, 350, 1021, 1022. 
Clarion and Serub Grass Coals. ...c.s0.000. 664 Systems of—in Mahoning Valley........... 346 
BIROKONAVUNG COW cooccaco000000000060 0000000000000 .. 664 THY USM OYEV ON ATINE) 555.00000000258086000005000000050000000 351 
INTO INES CACO Ailisastcesctesececesrcesescetesnt-ioseteenee 663 TINOR OM COV eteere re eee ones lewaes 854 
MCrCELi COR] SE OMe tees ec coik en: Setewenctysaees 663 Thay JS lOelalinyes WANN ocooscooacc00ncc000s0-00 66000000 3857 
Quakertown Coals ..... .......e cece: 664 | Coal No, 1 (Newberry), see Sharon coal. 
Shlravongcoalternwswsccccee sscscctecoeesei acess 662 | Coal No. 2 (Newberry), see Quakertown coal. 
Propertie-— Coal No. 3 (Newberry), see Lower Mercer coal. 
density, 650; fusibility in, 653; plasticity, Coal No. 8a (Newberry), see Upper Mercer 
6091; on what dependent, 652; shrinkage coal. 
pe 652. f Coal No. 4(Newberry), see Brookville coal. 
C aon Ole g5g | Coal No. : (Newberry), see Lower‘Kittanning 
SO = COa i 
DICK nu snsunsnnnnsnunninannn 697 | Coal No 6 (Newberry), see Kittanning series 
SITY le ay ban nee EE en te ere 671 and Freeport series, 73,74. (See Middle 
DIASUL Chesca etree ronieseuecls co ee esdeledstuciess revs busce'ss 653 Kittanning, in Tuscarawas Valley, 
TOME LAS bl Cpmereeene eet ne see esse saagsede sents 652 Upper Freeport, southward.) 
Composition of— Coal No. 6a (Newberry), see Lower Freeport 
paeraloeical, of analyses. ou 648, coal. 
EMS ecthodsporganalysis, 5.049) 1096; Coal No. 7 (Newberry), see Upper Freeport 
methods of testing, 655; alkalies, 647; coal, a fee | Vallex: and Bee 
iron, 647, 653; pyrites, 648 ; lithia, Creek coal, in Ohio Valley. 
1096; titanic acid, 648, 1097. fs Ne 
Clay veins, in coal seams, 148; in Steuben- CoAL SEAMS of OHIO—duplication of numbers, 
ville coal, 221; in Mineral Point eoal, 69; methods of naming, 129; designating 
263; in Dover mines, 264, in Cambridge by numbers, 180; inadequacy of system, 
mines, 291; in Sunday Creek field, 931, 131; methods of accumulating of, 185; 
937, in Straitsville coal, 956; in Hocking as marginal swamp, 136; areas of, over- 
Valley, 977. estimated, 137 ; covered by marine lime- 
Clay Vein coal, Ohio Valley (Lower Kittan- stones, 136; structure of, 140; partings, 
ning seam), 47, 58, 54, 55, 57, 59. roof, floor of, 141, 142; joints of, 148; face 
Claypo le wi Maen cso seen Cael oe cack cue eeca sese stoves 757 and ends of, 143; classification of, 144, 
Cleveland and Pittsburgh Railway— 317; composition of, 146; analyses of, 
Cleveland, Lorain and Wheeling Railway— seams, 281, 31, 287; chemical character- 
mines located on, 789, 790, 807, 809, 810, istics of, 149; losses in mining, 159, 352; 
813, 814. proportions left in pillars, 334; supply 
WlintOnKdee pranillin ela teeccecsessteosecce-c-ccceoseecees 800 drawn fr ony few seams, 318 ; royalty on, 
Clinton, or fossil ore in Ohio .............ccsceseeees 371 172, 177, 778. 
WMATACLETMO favs o i ccea cers Ny entitle riko eee sue (See ened 5372) EF COMMM alenmin es Lescstetscccedsvecoescecse josshccececeseecees 875 
CoaL— Coal gas; MYATOVEN, IN... ...ccesesecsscecscsssescovccees 120° 
ChemicallanalySiSnofics-cccsssssscssssseoeees 146-1088 | Coalport Coal Co.’s Mine .............cccssseeseeee 860- 861 
modes of selecting samples..................5 1489} Coaltom IM IMeSiOLeic...cs.scceccccincocccrarcecescesiiees 324-1015 
