128 
BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY 
[BULL. 162. 
Geologic Formations Described — Continued. 
Iola limestone, Keyes, No. 424. 
Iowa, Calvin, No. 124. 
Iowan, Beyer, No. 76. 
Iowan, Calvin, No. 123. 
Iowan drift, Calvin, Nos. 120, 121. 
Iowan loesa, Bain, No. 34. 
Iowan loess, Leverett, No. 487. 
Iowan loess, Pilsbry, No. 628. 
Irvine formation, Campbell, No. 128. 
Ithaca group, Clarke, No. 155. 
Jennings shale, Spencer, No. 723. 
Jordan sandstone, Berkey, No. 74. 
Kansan, Bain, No. 40. 
Kansan, Beyer, No. 76. 
Kansan, Calvin, No. 123. 
Kansan, Fitzpatrick, No. 272. 
Kansan drift, Bain, Nos. 33, 34, 36. 
Kansan drift, Calvin, Nos. 120, 121. 
Kansan drift, Tilton and Bain, No. 766. 
Kansan drift, Williams, No. 886. 
Kansan drift, Leonard, No. 483. 
Kansas, Calvin, No. 124. 
Kansas till, Leverett, No. 488, 
Kawishiwin, Winchell, No. 918. 
Keewatin, Coleman, No. 161. 
Keewatin, Winchell, No. 918. 
Kenai series, Emmons, No. 260. 
Keokuk group, Broadhead, No. 107. 
Keweenawan series, Elftman, No. 250. 
Keweenawan series, Wadsworth, No. 839. 
Kiniberling shale, Campbell, No. 127. 
Kinderhook, Beyer, No. 76. 
Kinderhook, Calvin, No. 121. 
Kinderhook limestone, Marbut, No. 518. 
King limestone, Shepard, No. 698. 
Kiowa shale, Gould, No. 308. 
Kirby clays, Gould, No. 308. 
Knobstone, Jones, No. 306. 
Knobstone group, Bennett, No. 72. 
Knobstone group, Newsom, No. 576. 
Knobstone group, Price, No. 641. 
Knox dolomite, Campbell, No. 127. 
Knoxville beds, Fairbanks, No. 262. 
Kome series, White and Schuchert, No. 872. 
Labette shale, Crane, No. 167. 
Labette shales, Haworth, No. 335. 
Lafayette formation, Spencer, No. 726. 
Lafayette series, Spencer, No. 730. 
La Motte sandstone, Keyes, No. 415. 
Lane shales, Haworth, No. 335. 
Lansdale shale, Lyman, No. 507. 
Laramie, Todd, No. 770. 
Laramie formation, Spurr, No. 739a. 
Laurel limestone, Foerste, No. 273. 
Laurentian, Bell, No. 68. 
Laurentian, Coleman, No. 161. 
Laurentian, Ells, No. 253. 
Laurentian, Low, No. 500. 
Lawrence shale, Crane, No. 167. 
Lawrence shale, Haworth, No. 335. 
Lawrence shale, Keyes, No. 424. 
Layton formation, Spencer, No. 730. 
Leadville limestone, Emmons, No. 259. 
Leadville limestone, Spurr, No. 739a. 
Le Claire limestone, Calvin, No. 120. 
Geologic Formations Described — Continued. 
Lecompton shale, Haworth, No. 335. 
Leda clay, Y\ T ilson, No. 912. 
Lee formation, Campbell, Nos. 128, 129. 
Le Grand beds, Beyer, No. 76. 
Leona formation, Hill & V aughan, No. 357. 
Le Seur limestone, Keyes, No. 415. 
Lewistown limestone, Spencer, No. 723. 
Lexington limestone, Campbell, No. 128. 
Leyden argillite, Emerson, No. 258. 
Lignitic stage, Harris, No. 334. 
Liguanea formation, Spencer, No. 730. 
Limon beds, Hill, No. 352. 
Lime Creek shale, Calvin, No. 121. 
Lincoln porphyry, Emmons, No. 259. 
Lockatong series, Kummel, No. 456. 
Loess, Bain, Nos. 35, 36. 
Loess, Calvin, Nos. 120, 124. 
Loess, Keyes, No. 428. 
Loess, Leonard, No. 483. 
Loess, Sardeson, No. 687. 
Loess, Shimek, No. 700. 
Loess, Tilton and Bain, No. 766. 
Loess, Todd, No. 768. 
Loess, Udden, Nos. 788, 792. 
Longmeadow sandstone, Emerson, No. 258. 
Louisiana limestone, Keyes, No. 431. 
Louisiana limestone, Shepard, No. 698. 
Louisville limestone, Foerste, No. 273. 
Loup Fork beds, Todd, Nos. 770, 773. 
Lower Helderberg, Blatchley, No. 88. 
Lower Helderberg, Blatchley and Ashley, 
No. 92. 
Lower Helderberg, Ries, No. 658. 
Lower Helderberg group, Lincoln, No. 490. 
Lower Helderberg group, Luther, No. 505. 
Lowerre quartzite, Merrill, No. 548. 
McAlister coal group, White, No. 871. 
McCune limestone, Keyes, No. 431. 
McHenry formation, Uhler, No. 794. 
McNulty rhyolite, Emmons, No. 259. 
Madison limestone, Griswold, No. 321. 
Magnesian limestone, Blatchley and Ashley, 
No. 92. 
Magnesian limestone, Keyes, No. 415. 
Magnesian limestone, Marbut, No. 518. 
Magnesian limestone, Shepard, No. 698. 
Manasquan formation, Clark, No. 152. 
Manhattan schist, Merrill, No. 548. 
Maquoketa shale, Calvin, No. 123. 
Marble Island quartzite, Tyrrell, No. 784. 
Marcellus, Ries, Nos. 658, 659. 
Marcellus shale, Bishop, No. 80. 
Marcellus shale, Grabau, No. 312. 
Marcellus shale, Lincoln, No. 490. 
Marcellus shale, Luther, No. 505. 
Marcellus shale, Prosser, No. 642. 
Maroon formation, Emmons, No. 259. 
Maroon formation, Spurr, No. 739a. 
Marshalltown shale, Beyer, No. 76. 
Martinsburg shale, Spencer, No. 723. 
Massanutten sandstone, Spencer, No. 723. 
Mata Chin formation, Hill, No. 352. 
Matanzas series, Spencer, No. 730. 
Matawan formation, Clark, No. 152. 
Maxville limestone, Weller, No. 860. 
