- Accidents resulting from falls, 126;
- to boys, 218.
- Act of 1885, 88.
- After damp, composition of, etc., 167.
- Air currents in mines, 148, 149.
- Air, deterioration of, in mines, 147, 152.
- Airways, beginning of, 95.
- Allen, Nicholas, 49, 62.
- Ancients, use of coal by, 35.
- Animal life of Carboniferous era, 18.
- Anthracite coal, analysis of, 6;
- commercial sizes of, 181;
- description of, 8;
- ignition of, 59;
- of bituminous origin, 25;
- skill in mining, 192.
- Anticlinals, 25.
- Appalachian Range, 3.
- Archean time, 3.
- Areas of coal measures, 31;
- of Pennsylvania coal fields, 33, 34.
- Avondale Mine, disaster at, 173.
- Baltimore vein, 75.
- Basin in a coal seam, 29.
- Battery in steep chambers, 108.
- Bearing in, in bituminous mines, 197.
- Benches in coal seams, 23–115.
- Bituminous coal, analysis of, 7;
- description of, 8;
- process of mining, 194.
- Black damp, composition, etc., 169.
- Blasting in mines, 119, 120, 125, 131.
- Blossom of coal, 77.
- Blower of gas, 160.
- Boys, accidents to, 218;
- amusements of, 219;
- at tipple work, 202;
- characteristics of, 217;
- duties of, at breaker, 215;
- in British coal mines, 205.
- Boy door-tenders, duties of, 214.
- Boy drivers, duties of, 210.
- Braddock’s road, 40.
- Brattice at face of chamber, 103.
- Breaker, description of, 179;
- location of, 178, 183;
- passage of coal through, 185;
- picking shutes in, 186;
- structure and appearance of, 184.
- Break through, in bituminous mines, 195.
- Breast. See Chamber.
- Bryden, Alexander, 143.
- Bryden, Andrew, 140, 168.
- Buildings at mouth of shaft, 176.
- Buntons in shaft, 89.
- Butler, Col. Lord, 56.
- Butt cleavage in bituminous mines, 194.
- Butty, 114.
- Calamites, 17.
- Candles, use of, in mines, 162.
- Cannel coal, 6, 13.
- Carbondale Mines, fall in, 140.
- Carboniferous age, 3.
- Carboniferous era, animal life of, 18.
- Carboniferous plants, 14–16.
- Carriage in shaft, 90.
- Cartridge, how made and used, 117.
- Cave holes, 137.
- Cenozoic time, 4.
- Chain pillars, 109.
- Chamber, car track in, 103;
- description of, 100;
- length of, 102;
- scene at face of, 131.
- Charcoal, process of formation, 10.
- Charles, John, 50.
- Chest, miner’s, 120.
- Choke damp, 169.
- Cist, Charles, 48.
- Cist, Jacob, 52, 58.
- Coal, classification of, 7;
- originally all bituminous, 12;
- origin of, 8;
- production, by corporations, 70;
- specific gravity of, what is it? 6.
- Coal dust, explosive quality of, 172.
- Coal lands, division of, 69;
- investments in, 68;
- leasing of, 71;
- value of, 70.
- Coal mining by corporations, 72.
- Coal plants, age of, 3.
- Coal seams, number and thickness of, 22, 23.
- Coal-waste, heaps of, 191.
- Conglomerate, 76.
- Conifers, 17.
- Corve, in British coal mines, 205.
- Cost of different methods of entry, 92.
- Counter-gangway, 105.
- Crahan, Martin, story of, 220.
- Creeping pillars, 136.
- Creuzot Mine, accident at, 170.
- Crop falls, 139.
- Cross-headings, 95.
- Crowbar, miner’s tool, 121.
- Crust of earth, subsidence of, etc., 24.
- “Cry of the Children,” Mrs. Browning’s, 207.
- Culm, its disposition and use, 190.
- Curr, John, 90.
- Davy, Sir Humphrey, experiments of, 162.
- Decapitation of coal seams, 29.
- Delaware and Hudson gravity railroad, 66;
- canal, 66.
- Diamond drill, 79.
- Dip of strata, 29.
- Door boy, duties of, etc., 149, 214.
- Doors in mines, 149.
- Drainage in mines, 154.
- Drift, as a mode of entry, 80.
- Drilling, by diamond drill, 79;
- by hand, 78;
- by rope method, 78;
- by spring pole method, 78.
- Drill, machine hand, 116;
- miner’s, 116.
- Driver boss, his duties, etc., 113.
- Driver boy, duties of, etc., 113, 210, 213.
- Dump shute bars in breaker, 185.
- Eagle Shaft, disaster at, 168.
- Early mining methods, 94.
- Eastern middle coal field, 33.
- Electricity in breakers, 217;
- in mines, 105, 122, 127, 213.
- Enaliosaurs, 20.
- Entrances in mines, 101.
- Entries in bituminous mines, 195, 196.
- Evans, Oliver, 52.
- Experiments with anthracite, 52, 53.
- Face cleavage in bituminous mines, 194.
- Face of chamber, 101.
- Falls of roof and coal, 125, 135.
- Fan for ventilation, 151.
- Fault in strata, 26.
- Felling Colliery, disaster at, 162.
- Fell, Judge Jesse, 53.
- Females in British coal mines, 206.
- Ferns of coal era, 16.
- Fire boss, duties of, etc., 112, 166.
- Fire damp, characteristics of, 160;
- explosions of, 161;
- in abandoned workings, 166.
- Fishes, age of, 3;
- of Carboniferous age, 19.
- Fissures in strata, 26.
- Flanigan, John, 94.
- Flowers in Carboniferous age, 21.
- Gangways, beginning of, 95;
- description of, 97;
- direction of, 98;
- driving, 113;
- length of, 104;
- walking in, 129.
- Gases not confined to coal measures, 159.
- Germany, mining of coal in, 37.
- Ginther, Philip, 47.
- Girls in British coal mines, 205.
- Gore, Obadiah, experiments of, 45.
- Graff, Frederick, 52.
- Great Summit Mine, 57.
- Guibal, inventor of fan, 152.
- Guides in shaft, 90.
- Hammer, miner’s, 121.
- Head-frame at mouth of shaft, 177.
- Health of mine workers, 153.
- Hennepin, Father, explorer, 38.
- Hillegas, Michael, 48.
- Hoisting apparatus at shaft, 177.
- Hollenback, Colonel George M., 56.
- Horsebacks in coal seams, 28.
- Hosie, John, adventure of, 145.
- Hurrier in British mines, 205.
- Inclined planes in mines, 105.
- Indians, coal known to, 37, 43, 44.
- Inside slopes, 106.
- Invertebrates, age of, 3.
- Investments in coal lands, 68.
- Jenkins, Henry, 180.
- Laborers, duties of, etc., 114, 122.
- Lackawanna region, early coal trade in, 65.
- Lagging, its use, etc., 82.
- Lamp, miner’s, 121.
- Laplace, astronomer, 1.
- Lehigh coal, early trade in, 57, 58, 62.
- Lepidodendrids, 17.
- Leschot, inventor, 79.
- Lift mining, 85, 107.
- Light carbureted hydrogen, 159.
- Lignite, 6, 11.
- Loading place in breaker, 189.
- Localities in which coal is found, 31, 32.
- Locomotives in mines, 199.
- London, burning of coal in, 36.
- Long wall mining system, 110.
- Loyalsock coal field, 31.
- Lump coal, bituminous, 202.
- Machine for mining soft coal, 197.
- Mammals, age of, 4, 12.
- Man, age of, 4.
- Marsh gas, composition of, etc., 160.
- Mellen and Bishop, experimenters, 64.
- Mesozoic time, 4.
- Mine, anthracite, number of employees in, 112.
- Mine boss, duties, etc., 112.
- Mine car, 123.
- Mine, darkness in a, 133;
- in an abandoned, 134;
- silence in a deserted, 132.
- Mine law of 1870 and 1885, 208.
- Miner, Charles, 58.
- Miner, appearance of, 227;
- character and ambition of, 230;
- clothing of, 228;
- duties of, etc., 114, 122, 124;
- home and outside occupation of, 226;
- nativity of, 228.
- Mines, flooding of, 156.
- Miocene period, 12.
- Mules in mines, 212.
- Nanticoke, accident at, 157.
- Nebular Hypothesis, 1.
- Needle, miner’s, 117.
- Newcastle, carrying coals to, 37.
- Nobles, David, hunter, 65.
- Northern coal field, 33.
- Nut coal, bituminous, 202.
- Open quarry mining, 80.
- Outcrop of strata, 29, 75.
- Paleozoic time, 3.
- Pannier women in British mines, 205.
- Paris, burning of coal in, 37.
- Partings in coal seams, 23.
- Peat, 6, 11.
- Pennsylvania, coal fields of, 32, 33, 34.
- Picking machine in breaker, 187.
- Picking shute in breaker, 186.
- Pick, miner’s, 121.
- Pillar and breast mining system, 99.
- Pillars at foot of shaft, 95;
- creeping, 136;
- robbing of, 133;
- slipping, 136.
- Pinch in a coal mine, 28.
- Pittsburgh, coal beds near, 193;
- coal trade of, 42;
- discovery of coal near, 41.
- Pittsburg, Kansas, disaster at, 172.
- Pockets in breaker, 189.
- Props, use and setting of, 114.
- Prospecting for coal, 75.
- Pump mining, 155.
- Pumpway in shaft, 155.
- Putter, in British mines, 205.
- Rats in mines, 212.
- Reptiles, age of, 4, 12.
- Rhode Island, coal in, 32, 40.
- Rib of coal, 101.
- Richmond coal field, 38.
- Robbing pillars, 133.
- Robinson, John W., 58.
- Rocky Mountains, 20.
- Rolls in breaker, 179.
- Rolls in coal seams, 28.
- Rooms in bituminous mines, 195.
- Run of mine, bituminous coal, 202.
- Safety carriage, 91.
- Safety lamps, how to use, 165;
- invention of, 163.
- Schuylkill region, early coal trade in, 62, 64.
- Scotland, mining of coal in, 37.
- Scraper, in bituminous mines, 198.
- Scraper, use of, 117.
- Screen, revolving, in breaker, 180.
- Semi-anthracite coal, 8.
- Shaft, compartments of, 89;
- descending a, 128;
- foot of, 128;
- in bituminous mines, 199;
- in steep-pitching seams, 109;
- location and depth of, 86;
- sinking of, 87;
- water in, while sinking, 154.
- Sheaves in head-frame, 177.
- Shoemaker, Colonel George, 62.
- Shovel, miner’s, 121.
- Sigillariæ, 17.
- Slack, bituminous waste, 202.
- Slate picker’s duties, etc., 186.
- Sledge, miner’s, 121.
- Slipping pillars, 136.
- Slope, dimensions of, 85;
- entrance by, 84;
- in steep-pitching seams, 85.
- Smith, Abijah, 56.
- Smith, John, 56.
- Smut of coal, 77.
- Southern coal field, 32.
- Sphagnum, 11.
- Splits of the air current, 148.
- Squeeze in a mine, 28, 136.
- Squib, use of, 118.
- Stair shaft in bituminous mines, 200.
- States in which coal is found, 31, 32.
- Steep-pitching seams, raining in, 107.
- Stigmaria, 18.
- Stockton Mines, accident at, 139.
- Strike of strata, 29.
- Strikes among miners, 225.
- Summit Hill Mine, 80.
- Sump in mine, 96.
- Surface, disturbance of, by falls, 138.
- Susquehanna River, coal trade, 41.
- Swamp in mines, 29.
- Symbols marked on cars, 223.
- Synclinals, 25.
- Tamping, process of, 118.
- Temperature in mines, 210.
- Terrace in coal outcrop, 77.
- Theophrastus, 35.
- Tipple, at the bituminous mines, 201, 203.
- Tunnel, entrance by, 82.
- Tunnels in mine interiors, 84, 106.
- Turnbull, William, 58.
- Ventilation by fan, 151;
- by open furnace, 150;
- in bituminous mines, 199;
- principle of, in mines, 97, 148.
- Von Storch, H. C. L., 65.
- Wages of miners, 224;
- computing and payment of, 222;
- of boys, 213–215;
- sliding scale for computing, 224.
- Waste in coal mining, 134;
- of the coal measures, 28.
- Water, driving workings toward, 155;
- in mine, 96;
- tonnage of, hoisted, 155.
- Weighing coal, 223.
- Weiss, Colonel Jacob, 48.
- Western middle coal field, 33.
- West Pittston, disaster at, 175.
- White & Hazard, coal trade of, 62;
- experiments of, 60.
- Wilcox, Crandal, 56.
- Wings in shaft, 91.
- Woodward breaker, 121.
- Working pillars, 136.
- Wright, Joseph, 56.
- Wurts, William and Maurice, 65.
- Wyoming coal field, 33.
- Wyoming valley, discovery of coal in, 45;
- early coal trade of, 56.
- Ziegler, Charles W., 188.