Petroleum and Natural Gas in New York State (ASHBURNER) [XXv], 906.
Petrozavodsk iron-works, Lake Onega, Russia, 354.

PETTEE, WILLIAM H., Biographical Notice of Byron W. Cheever, 888.
Phelps, William F., address of welcome at Duluth, Minn. [xxiv].

Philadelphia, Pa., United States mint at, 83.

Phillips farm, Bolivar township, Allegany County, N. Y., oil-wells, 937.
Phosphorus: In basic open-hearth charge, 724: In iron, 269.
Photographing the Interior of a Coal-Mine (DEWEY) [xxv], 307.

Physical and chemical tests of steel, 599.

Physical tests of steel rails (see also under Tests).

Pictou coal-field, N. S., 137, 139.

PIERCE, WILLARD IDE, La Plata del Libano Mines, Department of Tolima, Republic
of Colombia, South America [xxxvi], 301.

Pig-and-ore process for steel manufacture, 718, 725.

Pig-iron Comparative cost of pig-iron and blooms at Wärtsila, Finland, 344; Cost

of producing anthracite charcoal and coke pig-iron, 199, 200; Phosphorus in,

271.

Pike farm, Alma township, Allegany County, N. Y., oil-wells, 937.

Pikeville oil-well, Alma township, Allegany County, N. Y., 930, 932.

Pile-roasting in Utah [18], 23.

Pine Grove coal-mine, Mercer County, Pa., 541.

Pioche, Lincoln County, Nev., silver-lead-mines [3], 436.

Pittsburg silver-lead-mine, Salt Lake County, Utah [5].

Pittsburgh and L. S. iron-mine, Marquette County, Mich., 174.

Pittsburgh coal-bed, Pa., 540, 545.

Pittsburgh, Pa., natural gas [917].

Pleasant Valley coal-mines, Emery County, Utah [20], 356, 357, 359.

Pliny Parker oil-well, Bolivar township, Allegany County, N. Y., 932.

Pohlman, Dr. Julius, geological report of gas-wells at Buffalo, N. Y., 925.

Porsaskoski, Finland, Husgafvel's furnaces at, 334 et seq.

Port Arthur, Ontario, Can., 109.

Poser silver-mine, Silver Bow County, Mont. [69].

Prince of Wales silver-lead-mine, Little Cottonwood Cañon, Salt Lake County,

Utah [5, 13].

Proceedings of meetings (see Meetings).

Prosser, Prof. Charles S., record of test-wells drilled in New York outside of the

Allegany oil and gas-field, 941.

Pueblo, Colo., Visit to [xxi].

Pueblo Smelting and Refining Company, Colo., Visit to works of [xxi].

Pumping by electric motor, 860.

Puritan iron-mine, Gogebic Range, Mich., 186 et seq.

Putnam Machine Co., Fitchburg, Mass., Visit to works of [xxxvii].

Pyramid silver-mine, Washoe County, Nev., 372.

Pyrite: In bituminous coal, 539; In copper-veins at Butte, Mont., 64; In silver-

veins at Butte, Mont., 62.

Pyrites: Gold in, 267; Smelting in a blast furnace, 267.

Pyritic silver-smelting, 257.

Pyrrhotite, Niccoliferous, in Lancaster County, Pa., 117.

Quartz-porphyry: At Butte, Mont., 52.

Quebec, Province of, Can.: Iron manufacture, 130; Magnetic iron-ore, 140.

Queen of the West silver-mine, Ten Mile district, Colo., 837.

Queen's County, N. B., bog iron-ore [140].

Quincy copper-mine, Lake Superior, Mich., 191.

Quinessec iron-mine, Menominee County, Mich, 173, 525 et seq., 802

Radnor, near Three Rivers, Quebec, iron-works, 135.

Rails (see Steel Rails): Manufacture of, 594.

Rainbow Lode, Butte City Montana (BLAKE) [xviii], 65.
Rath, Prof. G. von, opinion on Utah sulphur deposits, 33.

Rattler silver-lead-mine, Beaver County, Utah, 8.

Raymond & Ely silver-mine and mill, Pioche, Lincoln County, Nev., 33, 382 et seq.
RAYMOND, R. W., The New York Mining Law [xxviii], 770; Remarks on phosphorus
in iron, 276; On walls of veins, 59.

Red Cliff district, Colo., 813.

Red Lake iron-ore in Vermilion district, Minn., 181.

Red Mountain mining district, Ouray County, Colo., 570; Formation of ore-de-
posits of, 810.

Redwell Basin, Gunnison County, Colo., Ore deposits of, 810.

Reed & Benson silver-lead-mine, Big Cottonwood Cañon, Salt Lake County, Utah
[5, 13].

Reed, Lieut. H. A., method of constructing relief maps, 297.

Refractories, Acid, for open-hearth furnaces, 707.

Refractory materials: Percentage of phosphorus in the residues from bar-iron and

pig-iron, 270.

Relief maps, method of construction, 279.

Replacement system of ore-deposition, 56.

Reports: Of Council, xxxii; Of Secretary and Treasurer, xxxii.

Republic iron-mine, Marquette County, Mich., 173, 177.

Reservoir-rock, Capacity of, 914; Dip of, 916.

Resources of the Lake Superior Region (BIRKINBINE) [xxiv], 168.

Restigouche County, N. B, bog iron-ore [140].

Reverberatory furnaces: In Utah, 20; Technical terms relating to, in English,
French and German, 315.

Revere stamp-mill, Bingham Cañon, Salt Lake County, Utah, 20.

Rhodocrosite: In Rainbow Lode Butte, Mont., 74; In silver-veins at Butte, Mont., 62.
Rhyolite: Butte, Mont., 52; Yellowstone Park, 788.

Rhodonite in silver-veins at Butte, Mont., 62.

Ricardo gold- and silver-mine, District of Libano, Republic of Colombia, S. A., 305.
RICHARDS, ROBERT H., and LODGE, R. W., Experiments Illustrating the Descent of
the Charge in an Iron Blast Furnace [xxiv], 149.

Richardson farm, Wirt township, Allegany County, N. Y., gas-wells, 936.
Richburgh oil-sand, Allegany County, N. Y., 927, 932.

Riddell, Dr. J. L., inventor of Rotary ingot machine, 86.

Riga, Monroe County, N. Y., natural gas, 910.

Riley Allen oil-well, Scio township, Allegany County, N. Y., 932.

Rincon gold- and silver-mine, District of Lebano, Republic of Colombia, S. A., 304.
Rising Star silver-mine, Silver Bow County, Mont., 66 et seq.

Roasting-furnaces: Brückner, 19 (see paper beginning page 362 passim); Hoff-
man, 20; Howell (see paper beginning page 362 passim); Reverberatory, 20;
Revolving hearth, 20; Stetefeldt, 21 (see paper beginning page 362 passim).
Roasting ore and matte in Utah, 18.

Roasting ores in Utah: In Brückner furnace, 19; In kilns, 21; In reverberatory
furnace, 21; In Stetefeldt furnace, 21; Pile-roasting [18], 23.

ROBERTS, FRANK CALVIN, Note on a New Device for Operating Blast-Furnace Charg-
ing-Bells [xxxvi], 536.

ROBERTS, FRANK C., Wire Rope Haulage and its Application to Mining [xxv], 213.
ROBINSON, THEODORE W., Inorganic Standards for the Colorimetric Carbon Test [xxv],
111.

Roche-d'Allion, Joseph de la, record of visit to Cuba oil-spring, Allegany County,

N. Y.,
908.

Rock-filling, 808 et seq.

Rock Springs coal-mine, Wyoming, 356, 359.

Rodman gas-well, Jefferson County, N. Y., 957.

Roll-scale, Analysis of, 351.

ROTHWELL, RICHARD P., Systems of Mining in Large Bodies of Soft Ore [xxviii],

862.

Rotomahana Lake, New Zealand, Inscriptions on siliceous sinter at, 797.

Roy and Archer oil- and gas-sand, Elk County, Pa. [938, 939].

Royal gorge of the Arkansas, Visit to [xxi].

Royal Oil Co.'s wells, Alma township, Allegany County, N. Y., 932.

Royalton, Niagara Co, N. Y., natural gas, 910.

Rubio stamp-mill, Parral, Mex., 452.

Russell Process in its Practical Application and Economic Results (RUSSELL and DAG-

GETT) [xxxvi], 362.

Russia and Finland, History of bloomary furnaces in, 334.

BUTTMANN, FERD. S., Concentrating Magnetite with the Conkling Jig at Lyon Moun-
tain, N. Y. [xxxvii], 609.

Safety-apparatus in hoists, 215.

Saginaw iron-mine, Marquette County, Mich., 174.

Saint Bernard coal-mine, Hopkins County, Ky. [584, 585], 593.

Saint Bernard Company, Ky., Manufacture of coke by, 592.

Saint Ignace, Mackinaw County, Mich., shipping-port for iron-ores, 172.

Saint John, N. B., iron-works, 135.

Saint John's Colliery, Normantown, application of electric motor to mining opera

tions [860].

Saint Louis River, Excursion to Dalles of [xxvi]; Water-power of, 193.

Saint Mary's Falls ship canal, Lake Superior, Tonnage through, 169.

Sala, Sweden, Smelting at, 259; Value of ores treated by pyritic smelting, 263.
Salisbury iron-mine, Marquette County, Mich., 174.

Salt, High cost of, at Butte, Mont., 44.

Salt Lake City, Utah, Session of Meeting, xvii.

Salt Lake County, Utah, silver-lead ores 11; Output of, 4.

Salt-mines: Bavaria: Tyrol, Salzkammergut, 61.

Salt-wells: New York: Wyoming County, 922.

Salzkammergut, Tyrol, Bavaria, salt-mines, 61.

Sampson silver-lead-mine, Uintah district, Summit County, Utah, 14.

San Antonio silver-mine, Chihuahua, Mex., 372 et seq.

San Bartolo silver-mine, Cusihuiriachic, Mex, 373 et seq.

San Francisco, Cal., United States Mint at, 83.

San Geranimo silver-mine, Mex., 460.

San Miguel silver-mine, Chihuahua, Mex., 372 et seq.

San Pete County, Utah, coal and coke, 357, 358, 359.

Sandy, Little Cottonwood Cañon, Salt Lake County, Utah, Roasting ores at,
19, 21.

Saratoga silver-mine, Ouray County, Colo., 577.

Saturn silver lead-mine, Bingham Cañon, Salt Lake County, Utah, 11.

Sault Ste. Marie, Mich., Visit to, 168.

Sawyer oil-wells, Bolivar township, Allegany County, N. Y., 934, 936, 937.

Scheibler's process for the manufacture of magnesia, 720.

School House farm, Genesee township, Allegany County, N. Y., oil-well, 936.
Schools, Technical, 631 et seq.; Summer schools, 647.

Scio township, Allegany County, N. Y., oil-wells, 932.
Scorodite: Analysis, 801; In Yellowstone Park, 801.
Secretary's and Treasurer's statements of finances, xxxii.
Seneca Falls, Ontario County, N. Y., gas-well, 949.
Sheffield gas-sand, Warren County, Pa. [939].
Sheridan, Chautauqua County, N. Y, natural gas, 910.

Ship-canals in Lake Superior region, 168 et seq.

Shotwell and Crabtree coal mines, Hopkins County, Ky. [584].

Siemens-Martin furnace, Technical terms relating to, in English, French and Ger-
man, 317.

Sierra Grande silver-mine, Lake Valley, N. M., 372 et seq.

Silica: Deposition from geysers, 796; Determinations in blast-furnace cinder, 89;
In Red Mountain district, Ouray County, Colo., 580.

Silica brick, Analysis of, 707.

Silica Determination in Blast Furnace Cinder (JONES) [xxv], 89.

SILLIMAN, J. M., The Kaiping Coal-Mine, North China [xxv], 95.

Silver: Depreciation in value, 44; Mining in Utah, 3; Production in Montana, 42.

Silver-bearing sulphide, methods of assaying, 378.

Silver Bell silver-mine, Red Mountain district, Ouray County, Colo., 571.

Silver Bell silver-mine, Tintic district, Juab County, Utah, 11.

Silver Bow stamp-mill, Butte, Silver Bow County, Mont., 38 et seq.

Silver City, N. M., experiments in trough-lixiviation, 392.

Silver Ingot Melting at the Mint of the United States at New Orleans (CLAUSON)
[xix], 83.

Silver-leaching, 669.

Silver-lead mines: Nevada: Lincoln County, Pioche [3]; Utah: Beaver County,
Carbonate, 8, Horn-silver, 4, 7, 17, Rattler, 8, San Francisco range, Frisco,
6; Juab County: Tintic district, Beck & Bullion, 9, Eureka Hill, 9, 17, Salt-
Lake County; Big Cottonwood Cañon, Kessler [13], Maxfield [5, 13], Reed
& Benson [5, 13], Silver Mountain [13], Bingham Cañon [3], 11, Aladdin,
12, American Flag [11], Bingham, 25, Brooklyn, 11, 12, Dixon, 12, 17, Excel-
sior, [11], Galena [11], Jordan, 11 [26], Last Chance, 12, Lead, 12, 21 [26],
Live Pine, 12, Live Yankee, 12, Lucky Boy, 12, Miner's Dream, 11, 12, Nast,
11, Old Telegraph, 11, Saturn, 11, Silver Shield, 12, South Galena, 12, Spanish,
11, Stewart [26], Wasatch, 11, 12 [26], Winamuck, 12, 17, Yosemite, 12; Little
Cottonwood Cañon [3], City Rock [5, 13], Eclipse [5, 13], Emma, 3 [5], 13, 17,
18, Evergreen [13], Flagstaff [5], 13, 18, Joab Lawrence [5, 13], New Emma,
[13], Prince of Wales [5, 13], Miller [5], Pittsburg [5], Summit County;
Uintah district, Boss, 14, Sampson, 14; Tooele County; Stockton, Honorine,
15, 17.

er lead-ore, oxidized, Analysis of, 581.

Silver-mines of the United States: Colorado: Lake County; Ten Mile district,
Queen of the West, 837; Ouray County; Albany, 575, Brooklyn, 577, Com-
stock, 577, Dad Town, 575, Maud S., 575, 577, Mineral Farm, 571, Mono, 577;
Red Mountain district-National Bell, 571, Silver Bell, 571, Yankee Girl,
571 [833], Saratoga, 577; Silver Cliff district, Bassick [533], Bell-Domingo
[833]; Idaho: Custer, 372, Solace, 459; Montana: Silver Bow County, Bos-
ton [69], Butte―Alice, 38 et seq., 54, 62, 65 et seq., 372; Bluebird, 55; Bur-
lington, 55, Champion [59], Elmer Lee [59], Gambetta [59], Gold Flint
[59], Independent, 55, Lexington, 54, 62, 78, 372, Magna Charta, 42, 66 et seq.,
Moulton, 54, 62, 66 et seq.; Nettie, 55, Valdemere, 42, 66 et seq., Consolidated
[69], Fraction, 66 et seq., Goldsmith [69], Poser [69], Rising Star, 66 et seq.,
Silver Safe [69], Summit Valley district, Rainbow Lode, 65; Nevada: Lincoln
County; Pioche, Raymond & Ely, 33; Manhattan, 372; Secret Cañon, Ber-
trand, 372; Tybo, 372; Washoe County; Pyramid, 372; New Mexico: Chlor-
ide, 372; Lake Valley, 373; Sierra Grande, 372 et seq.: Utah: Juab County;
Tintic County, Aspinwall, 11; Carisa, 10, Crismon-Mammoth, 10; Elmer Ray
[10], Golden Treasure, 11, Hidden Treasure [10], Jo. Bowers, 11, Julian Lane,
11, Kenzie [10], North Star [10], Northern Spy, 10, Silver Bell, 11, Spy No. 2
[10], Sunbeam [10], Tesora, 11; Summit County; Uintah District, Anchor [5],
14, Apex [5], 14, Crescent [5], 14, 17, Daly [5], 13, 372 et seq., Hawkeye, 15,
Lowell, 15, McHenry, 15, Ontario, 4 [5], 13, 17, 35, 372 et seq., 835; Parley's
Park, 15; Tooele County; Stockton, 3 [6], 15; Washington County; Silver
Reef [4], 16, 382 et seq.; Christy, 16, Stormont, 16. OTHER COUNTRIES: Mexico:
Buena Vista, 460; Chihuahua; North Mexican, 372, San Antonio, 372 et seq,
San Miguel, 372, et seq., Veta Grande, 372 et seq.; Cusihuiriachic; San Bartolo,
373 et seq.; Department del Centro; Penoles, 460; San Geranimo, 460 ; Sinaloa;
Yedras, 372 et seq.; Sonora; Minas Prietas, 461; Zacatecas; Carmen, 372;
Sombrerete, 372 et seq.; Peru: Cerro de Pasco, 734; Department of Junin;
Colquijirca, 733, 740.

Silver-mining: Causes of Unprofitable condition at Butte, Mont., 43: Exhaustion
of free-milling ores, 43.

Silver-Mining and Milling at Butte, Montana (BLAKE) [xviii.], 38.

Silver Mountain silver-lead-mine, Big Cottonwood Cañon, Salt Lake County, Utah,
[13].

Silver Reef silver-mines, Washington County, Utah [4], 16, 382, et seq.

Silver Safe silver-mine, Silver Bow County, Mont. [69].

Silver Shield silver-lead-mine, Bingham Cañon, Salt Lake County, Utah, 12.
Silver-ores: Analyses, 74, 748; Butte, Mont., 62; Matting dry auriferous, 257;
On Canadian shore of Lake Superior, 191; Russell process for leaching, 362;
Wire-silver in Rainbow Lode, Butte, Mont., 74.

Simonds Rolling Machine Co., Fitchburg, Mass., Visit to works of [xxxvii].
Slag: Analyses of, 148, 344, 714; From matting dry auriferous silver-ores, 260.
Sloss furnace, Birmingham district, Ala., 593.

Smelting-furnaces (silver-lead): Utah: Beaver County; Horn Silver [18]; Salt
Lake County; Germania [18], 19; Hanauer [18], 24; Mingo [18].
Smelting gold-ores in Hungary, 267.

Smelting-works: Montana: Meagher County; Toston, 258; Utah: Salt Lake
County; Bingham Cañon, Old Telegraph [19]; Little Cottonwood Cañon,
Sandy, Flagstaff, 19.

Smith oil-well, Clarksville township, Allegany County, N. Y., 934.

Snowden township, Ontario, Can., magnetic iron-ore, 140.