weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1901. Ill 
Economic geology— Continued. 
Colorado— Continued. 
Spanish Peaks folio, Hills, 374. 
Telluride ores of Cripple Creek and Kalgoor- 
lie, Rickard, 648. 
District of Columbia. 
Washington folio, Darton and Keith, 200. 
Georgia. 
Geologic relations of the iron ores in the Car- 
tersville district, Hayes, 355. 
Georgia bauxite deposits, Watson, 788. 
Vein structure at the Reynolds mine, Collins, 
160. 
Idaho. • 
Idaho mining districts, Lakes, 477. 
Geology and water resources of Nez Perces 
County, Part II, Russell, 662. 
Thunder Mountain, L'Hame, 488. 
Illinois. 
Fluorspar mines of Kentucky and Illinois, 
Burk, 96. 
Indiana. 
Lakes of Indiana and their marl deposits, 
Blatchley and Ashley, 69. 
Oolitic stone for Portland cement, Blatchley, 
67. 
Petroleum industry in 1900, Blatchley, 68. 
Silver Creek hydraulic limestone, Sieben- 
thal, 701. 
Indian Territory. 
Calgate folio, Taff, 736. 
Oil and gas fields of western interior and 
Gulf coast, Adams, 7 
Iowa. 
Geology of Cedar County, Norton, 568. 
Geology of Louisa County, Qdden, 748. 
Geology of Marion County, Miller, 548. 
Geology of Page County, Calvin, 100. 
Geology of Pottawattamie County, Udden, 
749. 
Occurrence of gold and other mineral prod- 
ucts in Iowa, Calvin, 101. 
Kansas. 
Americus limestone, Smith, 706. 
Dakota Cretaceous of Kansas and Nebraska, 
Gould, 301. 
Galena-Joplin lead and zinc district, Ha- 
worth, 350. 
Kansas coal mining, Crane, 168. 
Kansas mines and minerals, Grimsley, 32S. 
Oil and gas fields of western interior and 
Gulf coast, Adams, 7. 
Petroleum and natural gas, Haworth, 351. 
Springs of Kansas and Oklahoma, Gould, 299. 
Kentucky. 
Fluorspar mines of Kentucky and Illinois, 
Burk, 96. 
Mexico. 
Distribucion geografica y geologica de los 
criaderos minerales, Aguilera, 8. 
La industria minera, Ordonez, 574. 
Mining industry of Pachuca, Ordonez, 575. 
Mining in Lower California, Lowry, 500. 
Sierra Mojada and its ore deposits, Malcolm- 
son, 518. 
Silver-bearing veins of Mexico, Halse, 335, 
Economic geology— Continued. 
Mich igan. 
Iron-ore deposits of the Lake Superior region, 
Van Hise, 759. 
Michigan limestones, Lane, 480. 
Minnesota. 
Constituents of Minnesota soils. Hall, 331. 
Iron-ore deposits of the Lake Superior region, 
Van Hise, 759. 
Missouri. 
Galena-Joplin lead and zinc district, Ha- 
worth, 350. 
Origin of Joplin ore deposits, Bain, 38. 
Montana. 
Oil of the northern Rocky Mountains, Willis, 
834. 
Nebraska. 
Dakota Cretaceous of Kansas and Nebraska 
Gould, 301. 
Nevada. 
Mines of Esmeralda County, Turner, 746. 
Notes on two desert mines, Emmons, 262. 
Occurrence of tungsten ore, Weeks, 800. 
Santa Fe mining district, McCormick, 515. 
Tonopah, Knapp, 444. 
New Jersey. 
Artesian wells, Woolman, 859. 
Mining industry, Kummell, 456. 
Portland cement industry, Kummel, 455. 
New Mexico. 
A new coal field, Lakes, 466. 
Cerrillos anthracite mine, Lakes, 465. 
Curtis mines, Lakes, 467. 
Mogollon range, Weatherby, 793. 
New York. 
Emery deposits of Westchester County, Eckle, 
254. 
Hematite iron ores of Antwerp and Fowler 
belt, Crosby, 175. 
Oil and gas in New York, Bishop, 71. 
Slate quarries of Washington County, Nevins, 
563. 
North Carolina. 
Carolina gold deposits, Weed, 796. 
Copper deposits of southern United States, 
Weed, 795. 
Corundum in North Carolina, Ropes, 657. 
North Dakota. 
Lignite deposits, Hazeltine, 341. 
Report of Geological Survey, Babcock, 34. 
Oklahoma. 
Oklahoma limestones, Gould, 304. 
Oklahoma salt plains, Gould, 303. 
Springs of Kansas and Oklahoma, Gould, 299. 
Oregon. 
Coos Bay folio, Diller, 231. 
Oregon nickel prospects, Ledoux, 486. 
Philippine Mauds. 
Geology of the Philippine Islands, Becker, 50. 
South Carolina. 
Carolina gold deposits, Weed, 796. 
South Dakota. 
Artesian wells in North and South Dakota, 
Upham, 752. 
Geology of artesian basins, McCaslin, 514. 
Geology of Black Hills, Darton, 198. 
Gold ores of the Black Hills, Chance, 131. 
