80 INDEX TO NORTH AMERICAN GEOLOGY, PALEONTOLOGY, [bull. 189. 
Economic geology— Continued. 
North Carotin a— Con tinned . 
Gold ores of the Carolinas, Nitze, 4111. 
Iron ores, magnetic, Ashe County, Nitze, 4103. 
Iron ores, magnetic, Granville County, Nitze, 
4102. 
Iron ores of North Carolina, Nitze, 4104. 
Kaolin and clay deposits of North Carolina, 
Holmes, 2720. 
Knoxville folio, Keith, 2960. 
Limonites of Cherokee County, Nitze, 4110. 
Magnetite belt, Kimball, 3163. 
Magnetites of Virginia and North Carolina, 
Nitze, 4101. 
Mica and mica mines, Henderson, 2453. 
Monazite deposits, Nitze, 4105a, 4111a. 
Monazite district of North and South Caro- 
lina, Mezger, 3978. 
Nickel deposits, Emmens, 1684. 
North Carolina monazite, Nitze, 4106. 
Potable waters in the Piedmont plateau, 
Holmes, 2721. 
Production of tin, Rolker, 4661. 
Road materials, Holmes and Cain, 2718a. 
Talc and pyrophillite deposits, Pratt, 4451a. 
Tin ore, occurrence of, Ulke, 5530. 
Union Copper mines, Gold Hill, Ledoux, 3436. 
North Dakota. 
Artesian waters of the Dakotas, Darton,1311. 
Coal in North Dakota, Babcock, 138. 
Geothermal data from deep wells, Darton, 
1325. 
Ohio. 
Bituminous Coal Measures of the Appala- 
chians, Ramsey, 4547. 
Clays of Ohio, Or ton, 4163. 
Clay-working industries of Ohio, Orton,4173. 
Coal fields of Ohio, Orton, 4164 
First Ann. Rept. (natural gas and petroleum), 
Orton, 4153. 
Geology of Jackson County coal, Roy, 4679. 
Jackson County coal mines, Roy, 4680. 
Natural gas in 1894, Weeks, 5967. 
Ohio River to Chicago, Orton, 4165. 
Rock waters of Ohio, Orton, 4169. 
Water resources, Leverett, 3487. 
Oklahoma. 
Native copper, Haworth and Bennett, 6541. 
Oklahoma building stone, Gould, 2078. 
Oregon. 
Bohemia mining region of western Oregon, 
Diller,1513. 
Coal of Newport mine, Day, 1467. 
Coos Bay coal field, Diller, 1509. 
Elkhorn Mountains, Oregon, Barrell, 258. 
Geological reconnoissance in Oregon, Diller, 
1503. 
Gold mining in Oregon, Barrell, 260. 
Nickel deposits near Riddles, Oreg. Austin, 
131, 134. 
Ore deposits in the Cracker Creek district, 
Lammers, 3378. 
Pocket mining in Oregon, Fleck, 1825. 
Roseburg folio, Diller, 1508. 
Panama. 
Gold deposits of Panama, Hershey, 2489. 
Economic geology— Continued. 
Pennsy tva nia. 
Anthracite, Stevenson, 5218. 
Artesian wells, Carter, 754a. 
Bituminous Coal Measures of the Appala- 
chians, Ramsay, 4547. 
Blossburg coal region, Hardt, 2289. 
Brownstones of Pennsylvania, Hopkins, 2738. 
Building materials of Pennsylvania, Hopkins, 
2741. 
Buckstown coal fields, Althouse, 78. 
Cambro-Silurian limonite ores of Pennsyl- 
vania, Hopkins, 2752. 
[Carboniferous formation, Pennsylvania], 
Lesley, D'Invilliers, and Smith, 3468. 
[Carboniferous system, Pennsylvania], D'In- 
villiers, 1515. 
Chrome in Appalachian region, Glenn, 2042. 
Clays of Pennsylvania, Hopkins, 2746. 
Coal Measures of Clearfield County, Kemp, 
2994. 
Copper traces, Lyman, 3616. 
Fault in mammoth coal bed, Engel, 1722. 
Feldspars and kaolins, Hopkins, 2747. 
Fire clays, Hopkins, 2745. 
Iron ores of Danville, Stoek, 5247. 
Limonite ores of Pennsylvania, Hopkins, 2753. 
Manganese, Weeks, 5966. 
Natural gas fields, geology of, Cummins, 1222. 
Nickel and pyrrhotite deposits, Kemp, 2985. 
[Nickel mine at Lancaster Gap, Pa.] , Olcott, 
4135. 
Origin of Pennsylvania pretroleum, Day, 
1460. 
Origin of Pennsylvania petroleum, Sadtler, 
4726. 
Phosphate prospect in Pennsylvania, Ihlseng, 
2857. 
Potomac and Roaring Creek coal fields, 
Weeks, 5965. 
Slate binders of the Pittsburg coal bed, Gres- 
ley, 2176. 
Slate regions of Pennsylvania, Merriman, 3970. 
Split in Mammoth coal seam, Sims, 4985. 
White clays of southeastern Pennsylvania, 
Hopkins, 2757. 
Porto Rico. 
Mineral resources, Domenech, 1523. 
Water resources of Porto Rico, Wilson, 6269. 
South Carolina. 
Artesian well prospects, Darton, 1313. 
Gold fields of the southern Appalachians, 
Becker, 336. 
Gold fields, Spartanburg, Ladshaw, 3304. 
Gold mining in the Appalachians, Nitze and 
Wilkens, 4109. 
Gold ores of the Carolinas, Nitze, 4111. 
Les variations des apatites, etc., Carnot, 754. 
Monazite district of North and South Caro- 
lina, Mezger, 3978. 
Phosphate of lime, occurrence of, Davidson, 
1342. 
Potable waters in the Piedmont plateau, 
Holmes, 2721. 
South Dakota. 
Artesian waters of South Dakota, Shephard, 
4947, 4948. 
