weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. 123 
Economic Geology — Continued. 
M issouri— Continued. 
Geological occurrence of clays, Keyes, No. 415. 
Geology of Calhoun sheet, Mo., Marbut, No. 
518. 
Geology of Clinton sheet, Mo., Marbut, No. 
517. 
Geology of Huntsville quadrangle, Mo., Mar- 
but, No. 521. 
Geology of Lexington sheet, Mo., Marbut, 
No. 519. 
Geology of Richmond quadrangle, Mo., Mar- 
but, No. 520. 
Lead and zinc ores, Hedburg, No. 339. 
Report upon Greene County, Mo.,Shepard,No. 
698. 
Tripoli deposits, Quimby, No. 646. 
Montana. 
Gold nugget from Montana, Pearce, No. 612. 
Nebraska. 
Ash beds of Great Plains, Barbour, No. 49. 
Underground waters, Darton, No. 194. 
Nevada. 
Carbonate of soda deposits, Knapp, No. 443. 
Newfoundland. 
Chromite deposits, Maynard, No. 540. 
New Jersey. 
Artesian wells in New Jersey, "Woolman, No. 
933. 
Newark system, Kiimmel, No. 456. 
New Mexico. 
Copper deposits of Mora County, Austin, 
No. 19. 
Occurrence of copper and lead, Herrick, No. 
341. 
New York. 
Collections of New York State Museum, Mer- 
rill, No. 547. 
Devonian shales, Ries, No. 659. 
Geology of Erie County, Bishop, No. 80, 
Geology of Essex County, Kemp, No. 405. 
Geology of Onondago County, Luther, No. 505. 
Geology of Orange County, Ries, No. 658. 
Geology of Seneca County, Lincoln, No. 490. 
Limestones of central New York, Schneider, 
No. 689. 
Magnetite area near Port Henry, Kemp, No. 
403. 
Report on talc industry, Smyth, Nos. 719, 721. 
Tests of New York shales, Ries, No. 666. 
Titaniferous magnetites, Kemp, No. 409. 
North Carolina. 
Clay deposits, Ries, No. 661. 
Corundum mining, Stone, No. 750. 
North Dakota. 
Geothermal data from deep wells, Darton, 
No. 196. 
Ohio. 
Geology of Jackson County coal, Roy, No. 
670. 
Oregon. 
Gold mining in Oregon, Barrell, No. 51. 
Nickel deposits near Riddles, Austin, No. 21. 
Roseburg folio, Diller, No. 235. 
Pennsylvania. 
Blossburg coal region, Hardt, No. 332. 
Economic Geology — Continued. 
Pennsylvania — Continued. 
Copper traces, Lyman, No. 507. 
Eire clays, Hopkins, No. 378. 
Slate regions of Pennsylvania, Merriam, No. 
555. 
South Dakota. 
Clay and stone resources, Todd, No. 774. 
Fuller's earth of South Dakota, Ries, No. 662. 
Geothermal data from deep wells, Darton, No. 
196. 
Main artesian basin, Todd, No. 772. 
Northern Black Hills, Frazer, No. 277. 
Occurrence of tellurium, Pearce, No. 606. 
Potsdam gold ores, Smith, No. 708. 
Reconnoissance in northwestern South Da- 
kota, Todd, No. 770. 
Section along Rapid Creek, Todd, No. 769. 
White River bad lands, Todd, No. 773. 
Tennessee. 
Phosphate rock deposits, Brown, No. 111. 
Tennessee phosphates, Killebrew, No. 436. 
Texas. 
Nueces folio, Hill and Vaughan, No. 357. 
Oil fields of Texas, Miller, No. 562. 
Texas oil horizons, Dumble, No. 241. 
Utah. 
Gold mines of Mercur, Maguire, No. 516. 
Virginia. 
Manganese ores, Birkinbine, No. 79. 
Tazewell folio, Campbell, No. 127. 
Washington. 
Coal fields of Puget Sound, Willis, No. 894. 
Deu Pree lode, Landes, No. 474. 
Genesis of iron ores, Kimball, No. 437. 
Republic mines, Joseph, No. 400. 
Stratigraphy and structure of Puget group, 
Willis, No. 895. 
West Indies. 
Barbados nianjak, Merrivak, No. 558. 
Occurrence of manjak, Merivale, No. 544. 
West Virginia. 
Tazewell folio, Campbell, No. 127. 
Wyoming. 
Building stones and clays of Wyoming, 
Knight, No. 447. 
Soda deposits of Wyoming, Knight, No. 448. 
Wyoming copper region. Kennedy, No. 414. 
Wyoming oil fields, Lakes, No. 473. 
Economic products described. 
Abrasive materials, Barbour, No. 49. 
Abrasive materials, Fuller, No. 282. 
Abrasive materials, Parker, No. 598. 
Artesian water, Hill and Vaughan, No, 357. 
Artesian water, Lindgren, No. 492. 
Artesian water, Udden, No. 790. 
Artesian water, Woolman, No. 933. 
Artesian wells, Bishop, No. 80. 
Artesian wells, Blatchley, No. 88. 
Artesian wells, Darton, Nos. 194, 196. 
Artesian wells, Mead, No. 541. 
Artesian wells, Smock, No. 715. 
Artesian wells, Todd, No. 772. 
Asphalt, Merivale, No. 544. 
Asphaltum, Cabrera, No. 117. 
Asphaltum, Lee, No. 479. 
