fire clays of Europe and the clayworking industry of the United States in 1897. (In 19th, 1898, pt. 6) 2462 The pottery industry of the United States. (In 17th, 1896, pt. 3) 2463 Rohn, Oscar. A reconnaissance of the Chitina River and the Skolaj Mountains, Alaska. (In 21st, 1900, pt. 2, p. 393-440) 2464 Russell, I. C. Existing glaciers of the United States. (In 5th, 1884) 2465 A geological reconnaissance in southern Oregon. (In 4th, 1883) 2466 -Glaciers of Mount Rainier, by I. C. Russell; with a paper on the rocks of Mount Rainier, by G. O. Smith. (In 18th, 1897, pt. 2) 2467 The Portland cement industry in Michigan. (In 22d, 1901, pt. 3) 2468 -A preliminary paper on the geology of the Cascade Mountains in northern Washington. (In 20th, 1899, pt. 2) 2469 -Quaternary history of Mono Valley, California. (In 8th, 1887, pt. 1) 2470 -Second expedition to Mount Saint Elias, in 1891. (In 13th, 1892, pt. 2, p. 1-91) 2471 -Sketch of the geological history of Lake Lahontan, Quaternary lake of northwestern Nevada. (In 1882) 2472 Schrader, F. C. Preliminary report on a reconnaissance along the Chandlar and Koyukuk rivers, Alaska, in 1899. (In 21st, 18991900, pt. 2) 2473 -A reconnaissance of a part of Prince William Sound and the Copper River district, Alaska, in 1898. (In 20th, 1899, pt. 7) 2474 Schuyler, J. D. Reservoirs for irrigation. (In 18th, 1896-97, pt. 4) 2475 Scudder, S. H. The American Tertiary Aphidae. (In 13th, 1892) 2476 -The fossil butterflies of Florissant. (In 8th, 1887) 2477 Shaler, N. S. General account of the fresh-water morasses of the United States, with a description of the Dismal Swamp district of Virginia and North Carolina. (In 10th, 1889, pt. 1) 2478 -The geological history of harbors. (In 13th, 1892, pt. 2, p. 93-209) 2479 -Geology of the Richmond Basin, Virginia, by N. S. Shaler and J. B. Woodworth. (In 19th, 1898, pt. 2) 2483 -The geology of the roadbuilding stones of Massachusetts, with some consideration of similar materials from other parts of the United States. (In 16th, 1895, pt. 2) 2484 -The glacial brick clays of Rhode Island and southeastern Massachusetts, by N. S. Shaler, J. B. Woodworth, and C. F. Marbut. (In 17th, 1896, pt. 1) 2485 -The origin and nature of soils. (In 12th, 1891, pt. 1, p. 213345) 2486 -Peat deposits. (In 16th, 1895, pt. 4) 2487 -Preliminary report on seacoast swamps of the eastern United States. (In 6th, 1885, p. 353-398) 2488 -Preliminary report on the geology of the common roads of the United States. (In 15th, 1894) 2489 -Report on the geology of Martha's Vineyard. (In 7th, 1886) 2490 Slichter, C. S. Theoretical investigation of the motion of ground waters. (In 19th, 1898, pt. 2, p. 295-384) 2491 Smith, G. O. The Pacific coast coal fields. (In 22d, 1901, pt. 3) 2492 Smith, W. S. T. A geological sketch of San Clemente Island. (In 18th, 1897, pt. 2) 2493 Spurr, J. E. Economic geology of the Mercur mining district, Utah, by J. E. Spurr, with an introduction on the Oquirrh Mountains, by S. F. Emmons. (In 16th, 1895, pt. 2) 2494 -Geology of the Yukon district, Alaska. With an introductory chapter on the history and condition of the district to 1897, by H. B. Goodrich. (In 18th, 1897, pt. 3) 2495 -The ore deposits of Monte Cristo, Washington. (In 22d, 1901, pt.2) 2496 A reconnaissance in south Stoek, H. H. The Pennsylvania anthracite coal field. (In 22d, 1901, pt. 3) 2499 Storrs, L. S. The Rocky Mountain coal fields. (In 22d, 1901, pt. 3) 2500 Sudworth, G. B. The Stanislaus and Lake Tahoe forest and adjacent territory. (In 21st, 1900, pt. 5) 2501 -The White River Plateau and Battlement Mesa forest reserve. (In 20th, 1899, pt. 5) 2502 reserves Taff, J. A. Chalk of southwestern Arkansas, with notes on its adaptability to the manufacture of hydraulic cements. (In 22d, 1901, pt. 3) 2503 -Geology of the eastern Choctaw coal field, Indian Territory, by J. A. Taff and G. I. Adams. (In 21st, 1900, pt. 2) 2504 -Geology of the McAlesterLehigh coal field, Indian Territory. Accompanied by a report on the fossil plants, by David White, and a report on the Paleozoic invertebrate fossils, by G. H. Girty. (In 19th, 1898, pt. 3) 2505 -Preliminary report on the Camden Coal field of southwestern Arkansas. (In 21st, 1900, pt. 2) 2506 the hydro -The southwestern coal field. (In 22d, 1901, pt. 3) 2507 Thompson, A. H. Report upon the construction of topographic maps, and the selection and survey of reservoir sites in graphic basin of the Arkansas River, Colorado. [Report upon the location and survey of reservoir sites during the fiscal year ending June 30, 1892.] (In 13th, 1892, pt. 3) 1900. (In 18th-21st, pt. 1, 18971900) 2512 Turner, H. W. The Esmeralda formation, a fresh-water lake deposit in Nevada. With a description of the fossil plants, by F. H. Knowlton, and of a fossil fish, by F. A. Lucas. (In 21st, 1900, pt. 2) 2513 Further contributions to the geology of the Sierra Nevada. (In 17th, 1896, pt. 1) 2514 -The rocks of the Sierra Nevada. (In 14th, 1893, pt. 2) 2515 Van Hise, C. R. The iron-ore deposits of the Lake Superior region. (In 21st, 1900, pt. 3) 2516 -Preliminary report on the Marquette iron-bearing district of Michigan, by C. R. Van Hise and W. S. Bayley, with a chapter on the Republic trough, by H. L. Smith. (In 15th, 1894) 2517 -Principles of North American Pre-Cambrian geology, by C. R. Van Hise, with an appendix on flow and fracture of rocks as related to structure, by L. M. Hoskins. (In 16th, 1895, pt. 1) 2518 Walcott, C. D. The fauna of the Lower Cambrian or Olenellus zone. (In 10th, 1889, pt. 1) 2519 -The North American continent during Cambrian time (In 12th, 1891, pt. 1) 2520 -Pre-Cambrian igneous rocks of the Unkar terrane, Grand Canyon of the Colorado, Arizona, With notes on the petrographic character of the lavas, by J. P. Iddings. (In 14th, 1893) 2521 -The Ward, L. F. The Cretaceous formation of the Black Hills as indicated by the fossil plants. By L. F. Ward, with the collaboration of W. P. Jenney, Wm. M. Fontaine, and F. H. Knowlton. (In 19th, 1898, pt. 2) 2522 geographical distribution of fossil plants. (In 8th, 1887, pt. 2) 2508 2523 -The Potomac formation. (In 15th, 1894) 2524 -Sketch of paleobotany. (In 5th, 1884) 2525 Some analogies in the Lower Cretaceous of Europe and America. (In 16th, 1895, pt. 1) 2526 -Report upon the location and survey of reservoir sites during the fiscal year ended June 30, 1891. (In 12th, 1891, pt. 2) 2509 Tower, G. W., jr. Geology and mining industry of the Tintic district, Utah, by G. W. Tower and G. O. Smith. (In 19th, 1898, pt. 3) 2510 Town, F. E. The Bighorn forest reserve. (In 19th, 1898, pt. 5) 2511 Triangulation, primary traverse and spirit leveling. 1896-97, 1899 mineral re and -Geology sources of the Judith Mountains of Montana, by W. H. Weed and L. V. Pirsson. (In 18th, 1897, pt. 3) 2529 -Geology and ore deposits of the Elkhorn mining district, Jefferson County, Montana, by W. H. the Weed, with an appendix on microscopical petrography of the (In district, by Joseph Barrell. 22d, 1901, pt. 2) 2530 -Geology of the Little Belt Mountains, Montana, with notes on the mineral deposits of the Neihart, Barker, Yogo, and other districts, by W. H. Weed, accompanied by a report on the petrography of the igneous rocks of the district, by L. V. Pirsson. (In 20th, 1899, 2531 pt. 3) formation at Montana. (In 2532 -Mineral vein Boulder Hot Springs, 21st, 1900, pt. 2) Weeks, F. B. An occurrence of tungsten ore in eastern Nevada. (In 21st, 1900, pt. 6 (section 1) p. 2533 319-320) Weeks, J. D. The Potomac and Roaring Creek coal fields, in West Virginia. (In 14th, 1893, pt. 2) 2534 White, David. The northern Appalachian coal field, embracing papers on the bituminous coal fields of Pennsylvania, Maryland, and Ohio, by David White, M. R. Campbell and R. M. Hazeltine. (In 22d, 2538 1901, pt. 3) -The stratigraphic succession of the fossil floras of the Pottsville formation in the southern anthracite coal field, Pennsylvania. (In 2539 20th, 1899, pt. 2) Williams, Albert, jr. Popular fallacies regarding precious-metal ore deposits. (In 4th, 1884, p. 253-271) 2540 Williams, G. H. General relations of the granite rocks in the Middle Atlantic Piedmont Plateau. 2541 (In 15th, 1894, p. 657-684) Willis, Bailey. The mechanics of Appalachian structure. (In 13th, 2542 1892, pt. 2) -Some coal fields of Puget Sound. (In 18th, 1897, pt. 3) 2543 Wilson, H. M. Engineering results of irrigation survey. (In 13th, 2544 1892) -Irrigation in India. (In 12th, 2545 1891, pt. 2) Wolff, J. E. The age of the Franklin white limestone of Sussex County, New Jersey, by J. E. Wolff and A. H. Brooks. (In 18th, 2546 1897, pt. 2) Woodworth, J. B. The Atlantic coast Triassic coal field. (In 22d, 2547 1901, pt. 3) report on the marbles of Georgia (2d ed., rev. and enl.) 1907. (no. 1) 2585 -A preliminary report on the mineral resources of Georgia. 1910. 2586 (no. 23) A preliminary report on the underground waters of Georgia. 1908. (no. 15) 2587 -Report on the fossil iron ores of Georgia. 1908. (no. 17) 2588 -A second report on the public roads of Georgia. 1910. (no. 24) 2589 Veatch, Otto. Second report on the clay deposits of Georgia. 1909. (no. 18) 2590 Watson, T. L. A preliminary report on the manganese deposits of Georgia. 1908. (no. 14) 2591 -A preliminary report on the ocher deposits of Georgia. (no. 13) 2578 Illinois. Illinois. 1906. 2592 Geological survey. Geological survey of Illinois. 1866-90. 8 v. in 9. QE105 1858. 2593 Contents. 1. (1866) Geology: Physical features, general principles and surface geology; Stratigraphical geology, tertiary deposits and coal measures; Subcarboniferous limestone series; Devonian and Silurian systems; by A. H. Worthen.-Geology of the lead region, by J. D. Whitney.-Report on the coal fields of Illinois; On the origin and formation of the prairies; by Leo Lesquereux.-Chemical report for the Geological survey of Illinois, by J. V. Z. Blaney.-Geology of Randolph, St. Clair, Madison and Hancock counties, by A. H. Worthen.-Geology of Hardin County, by A. H. Worthen and Henry Enof Johnson, gelmann.-Geology Pulaski, Massac and Pope counties, by Henry Engelmann. 2. (1866) Palaeontology: Descriptions of new species of vertebrates, mainly from the subcarboniferous limestones and coal measures, by J. S. Newberry and A. H. Worthen. -Remarks on the occurrence of fossil fishes in Illinois, by A. H. Worthen. Supplement to descriptions of vertebrates, consisting of a description of a new genus and species of reptiles, from the coal |