858 INDEX TO THE STRATIGRAPHY OF NORTH AMERICA. 



663. Reagan, A. B., Geology of the Fort Apache region in Arizona: Am. Geologist, vol. 32, 1903, p. 278; (a) p. 279. 



664. Notes on the Olympic Peninsula: Trans. Kansas Acad. Sci., vol. 22, 1909, pp. 158-159. 



665. Richards, R. W., The central part of the Bull Mountain coal field, Montana: Bull. U. S. Geol. Survey No. 381, 



1910, pp. 60-81. 



666. Richardson, G. B., Reconnaissance in trans-Pecos Texas: Bull. Texas Univ. Min. Survey No. 9 (23), 1904, 



pp. 43^5; (a) pp. 46-48. 



667. Book CKfts coal field: Bull. U. S. Geol. Survey No. 316, 1907, pp. 304-305. 



668. Paleozoic formations in trans-Pecos Texas: Am. Jour. Sci., 4th ser., vol. 25, ]908, pp. 475-478; (a) pp. 



478-479; (b) pp. 479^80; (c) pp. 480-483. 



669. The Harmony, Colob, and Kanab coal fields, southern Utah: Bull. U. S. Geol. Survey No. 341, 1909, 



pp. 379-380, 381-382; (a) p. 382.- 



670. Stratigraphy of the upper Carboniferous in West Texas and southeast New Mexico: Am. Jour. Sci., 4th 



ser., vol. 29, 1910, pp. 325-337; (a); pp. 330-332; (b) pp. 335-336. 



671. Richardson, James, Eeport on coal fields of Vancouver and Queen Charlotte Islands: Kept. Progress for 1872- 



73, Geol. Survey Canada, 1873, pp. 32-65; (a) pp. 84-86. 



672. Ries, Heinrich, Geology of Orange County: Fifteenth Ann. Rept. of State Geologist, for 1895, Geol. Survey 



New York, vol. 1, 1897, pp. 395^75. 



673. Geology of Orange County: Forty-ninth Ann. Rept. New York State Mus. for 1895, 1898, pp. 400-401. 



674. Rogers, H. D., Geology of Pennsylvania, vol. 2, Philadelphia, 1858, pp. 749-758. 



675. Rogers, W. B., Proofs of the Protozoic age of some of the altered rocks of eastern Massachusetts from fossils 



recently discovered: Proc. Am. Acad. Arts and Sci., vol. 3, 1857, p. 317; quoted in Walcott, C. D., Corre- 

 lation papers, Cambrian, Bull. U. S. Geol. Survey No. 81, 1891, p. 73. 



676. Geology of the Virginias, 1835-1841, New York, 1884; (a) pp. 209-217, 230, 717. 



677. Rominger, C, Paleozoic rocks: Geol. Survey Michigan, vol. 1, 1869-1873 (1873), p. 37; (a) pp. 50-77. 



678. Ruedemann, Rudolph, Hudson River beds near Albany and their taxonomic equivalents: Bull. New York 



State Mus. No. 42, 1901, pp. 567-568. 



679. Trenton conglomerate of Rysedorph Hill and its fauna: Bull. New York State Mus. No. 49, 1901, pp. 



113-114. 



680. Graptolites of New York; part 1, Graptolites of the lower beds: Mem. New York State Mus. No. 7, 1904 



681. Graptolites of New York; part 2, Graptolites of the higher beds: Mem. New York State Mus. No. 11, 



1908, opp. p. 10. 



682. Ruffln, Edmund, Report of the commencement and progress of the agricultural survey of South Carolina for 



1843, Columbia, 1843, pp. 7, 24-27. 



683. RusseU, I. C, Correlation papers — The Newark system: Bull. U. S. Geol. Survey No. 85, 1892. 



684. A geological reconnaissance in central "Washington: Bull. U. S. Geol. Survey No. 108, 1893, p. 22; (a) 



Appendix, pp. 103-104. 



685. A reconnaissance in southeastern Washington: Water-Supply Paper U. S. Geol. Survey No. 4, 1897, p. 55. 



686. Preliminary report on geology and water resources of central Oregon: Bull. U. S. Geol. Survey No. 252, 



1905, p. 29. 



687. Saflord, J. M., Geology of Tennessee, Nashville, 1869; (a) pp. 338-365; (b) pp. 383-398; (c) pp. 410-421. 



688. On the Cretaceous and superior formations of West Tennessee: Am. Jour. Sci., 2d ser., vol. 37, 1864, 



p. 360-372. 



689. Classification of geological formations of Tennessee: Bull. Geol. Soc. America, vol. 13, 1901, p. 11. 



690. Safford, J. M., and Killebrew, J. B., The elements of the geology of Tennessee, Nashville, 1900, p. 153. 



691. Sahsbury, B. D., Ann. Rept. State Geologist of New Jersey for 1893: Geol. Survey New Jersey, 1894; also later 



reports. 



692. Salter, J. W., Arctic Silurian fossils: Quart. Jour. Geol. Soc. London, vol. 9, 1853, pp. 312-317. 



693. Sanford, Samuel, Topography and geology of southern Florida: Second Ann. Rept. Florida State Geol. Survey, 



1909, pp. 177-231. 



694. Sapper, Carl, La geografia fisica y la geologia de la peninsula de Yucatan: Bol. Inst. geol. Mexico, No. 3, 1896; 



(a) p. 5; (b)p. 7; (c) pp. 7-8. 



695. Die Alta Verapaz (Guatemala): Mitt. Geog. Gesell. Hamburg, vol. 17, 1901, p. 85; (a) pp. 87-88. 



696. tjber Gebirgsbau und Boden des siidlichen Mittelamerika: Petermauns Mitt., Erganzungsband 32, 1906, 



p. 51; (a) p. 52; (b) p. 53. 



697. Grundzuge der physikalischen Geographie von Guatemala: Petermanns Mitt., Erganzungs-band 24, 



Heft 113, 1894, 1895. 



698. ijber Gebirgsbau und Boden des nordlichen Mittelamerika: Petermanns Mitt., Erganzungsband 27, 



Heft 127, 1899. 



699. Sardeson, P. W., Fauna of the Magnesian series: Bull. Minnesota Acad. Nat. Sci., vol. 4, No. 1, pt. 1, 1896, 



pp. 92-105. 



700. Geological history of the Redstone quartzite: Bull. Geol. Soc. America, vol. 19, 1908, pp. 221-242. 



701. Savage, T. E., Geology of Tama County: Ann. Rept. Iowa Geol. Survey, vol. 13, 1903, pp. 228-229. 



