INDEX. 



881 



Page. 

 Lane, A. C, and others, cited 246-248 



publications by 840, 864 



Lane shale 458, 464 



Langdon, D. W., cited 732 



publication by 854 



Langdon, D. W., and others, publication by 860 



Langston formation 106 



Lapara formation 804 



La Plata sandstone 481, 513, 514, 518, 567-561 



Lapworth, Charles, cited 133,206-209, 220 



publications by, list ol 854 



Laramie formation : 10, 11, 20, 637, 648, 661-665, 667, 



674-676, 679-681, 685-686, 694-697, 699, 762-764, 767-768, 774 



See also Late Upper Cretaceous; Upper Laramie. 



Las Esperanzas formation 648,649' 



Late pre-Cambrian, content of 14 



distribution of 13, 64 



representation of, on map 13 



Later Tertiary (Miocene and Pliocene), content of 9, 794 



distribution of 9, 794, 796 



details of 798-832 



map showing 795 



representation of, on map 9, 794 



Latest Cretaceous. See Earliest Tertiary or late^it Cretaceous, 



Late Upper Cretaceous (Laramie), content of 10, 637 



distribution of 10, 637, 639 



details of 639-705 



map showing 638 



representation of, on map 10, 637 



See also Upper Cretaceous, 



Lauderdale formation 403, 416 



Laurel limestone 232,234-235 



Laurentian system, classification of 68-69 



Lauientian (Canadian usage), content of 15, 138 



distribution of 15, 16, 62, 137 



representation of, on map 15 



Laurentian series (Lake Superior region), content of 15 



distribution of 15, 62 



representation of, on map 15 



Lawrence shale 458, 464 



Lawson, A, C, acknowledgments to 21, 44, 57, 60 



cited 94, 554-555, 815-816 



publications by, list of 854 



Lazeart sandstone 676 



Leach, W. W., acknowledgments to 44, 60 



cited 386, 630-631 



publications by, list of 854 



LeadviUe limestone '. 367-369, 371 



Lebanon formation 164, 165, 168. 172 



Le Claire limestone 242-243 



Lecompton formation 468, 464 



Lee, W. T., acknowledgments to 44,56,57,58 



cited 362-363, 506, 662, 664, 760 



publications by, list of 854 



Leeformation 448,450,451 



I/ees, J. H., publication by 854 



Legend of map, details of ^IS 



Legibility, restrictions of, on accuracy in mapping 8, 21-22 



Lego limestone 235 



Leipers formation 1^ 



Leith, C. K., acknowledgments to 44,68,69 



cited 62 



Leith, C. K., and Van Hise, C. R., publication by 862 



Leith, C. K., and others, publication by 840 



Lenapah limestone 461,463,464 



Lenk, H., and Felix, J., cited 649,551,797 



publication by 849 



Leimep sandstone ^^^ 



Leonard, A. G., acknowledgments to 44, 58 



cited. 



691 



publications by ^^' *^ 



Leonard, A. G., and Smith, CD., cited 777-778 



publication by 864 



Le Roux formation 514 



Leroy, O. E., acknowledgments to 44,60 



Le Roy shale ^58,464 



liBsley, J. P., acknowledgments to 45, 69 



cited ^' 



publication by ^* 



48011°— 12 56 



Page. 



Leverett, Frank, acknowledgments to 45, 58 



Levis formation 202, 215 



Lewes River, geology of 649, 576, 639, 700-701 



Lewis, J. v., acknowledgments to 46, 58 



Lewis shale 660,661,674-675,679-681 



Lewistown field, Mont,, geology of 687-688 



Lewistown limestone 231, 239, 274, 286 



Liard River, geology on ; 500, 542-543, 796, 836 



Liberty formation 172 



Lime Creek formation 290, 410 



Linden formation 276-276 



Lindgren, Waldemar, acknowledgments to 46, 56, 57, 68, 59 



cited 81-82, 272, 273, 362-363, 364, 380, 522, 533-534, 665, 646-647 



publications by, list of 864 



Lindgren, W,, and others, publication by 854 



Lines, E. F., acknowledgments to 45,59 



Linietta clay 416, 417 



Lisbon formation 735, 737 



Lisbume formation 12, 366, 396-397 



Little Clarksburg coal 436 



Little Falls dolomite 186-187 



Little Pittsburg coal 465 



Little River group 327, 329 



Littleton Township, N. H., geology of 250 



Livingston formation 687 



Llandovery formation 261 



Llano-Burnet district, Tex,, authorities on 77, 595 



geology of 77-80, 679, 598-601 



Lockatong group 522-523, 526-627 



I>ockport dolomite 237, 238, 245 



I/odore shale 175 



Logan, W. E., acknowledgments to 45, 60, 130 



cited 131-132, 134, 148-153, 183, 197, 198, 205-206, 



208, 209-210, 211-213.245,254^255,259-260,292-293, 334, 423, 497 



publications by 203,260, 252, 264,864 



Logan shale 239,407,408,414-415,430 



Lone Mountain limestone 168-169, 236, 282-283 



Longfellow formation 158, 159 



Long Island, geology ot 609, 612, 682, 745, 794, 823 



See also New York. 



Longmeadow brownstone 632 



Longwood shale 238, 241 



Lookout sandstone 448, 449. 452. 463, 466 



Loomis, F. B., cited 775 



publication by 854 



Loon River shale 699-700 



Lorraine group 166-168, 



172, 184, 187, 189-191, 194, 195, 190, 197-199, 201-203 

 Louderback, G, D,, acknowledgments to 45 



cited 556 



publication by 556 



Louisiana (H-1 16), authorities on 67, 604, 723, 804 



geology of 11, 679, 604-606, 664, 706, 723-731, 794, 804-805 



publications on 31, 42, 64 



See also Gulf coast; Mississippi embayment, 



Louisville limestone 232-233, 236 



Loup Fork group 769-770,822,834 



Low, A, P,, acknowledgments to 45-46,60,61 



cited 220-221,264,265,268,399-400,547 



publications by 264, 855 



Lower California (F-H 11-12), authorities on 644, 646, 647 



geology of 10, 637, 644-647, 794, 799 



See also Pacific coast: Mexico, 

 Lower Cretaceous system, content of 11, 579 



distribution of 11,579 



details of 681-636 



map showing 850 



representation of, on map 11,20,579 



Lower Helderberg series 261, 254, 291, 297-298 



See also Helderberg, 

 Lower Hmronian. See Middle and Lower Huronian, 



Lower Magnesian limestone 119-120 



Lower Mottled limestone 218-219 



Lower Ordovician system, distribution of 75 



See also Cambrian and Lower Ordovician, 



Lowville limestone 183-186, 191, 194, 209-210 



Lucas, F, A,, pubUcations by, list of 865 



Lucas dolomite 233, 248 



Ludlowville shale 297 



