DASTON.] 



NORTH AMERICAN GEOLOGY. 



831 



RiggB, R. B.— Continued. 

 Iron ores from Louisiana. 



U. S. Geol. Surv., Brill.,vol. 7, pp. 144-145, No. 

 42, ■Washington, 1887. 



"Natural coke" froraMidlothianjVa. 



U.S. Geol, Surv., Bull., vol. 7, p. 146 (J p.). 

 No. 42, "Washington, 1S87. 



"Natural coke'' from Purgatory 



Canyon, N. Max. 



U.S. Geol. Surv., Bull., vol. 7, p. 147 (J p.). 

 No. 42, 'Washington, 1887. 



Twelve rocks from Menominee River, 



Michigan and Wisconsin. Analyses. 

 U. S. Geol. Surv., Bull. No. 55, p. 81 (| p.), 

 ■Washington, 1889. 



Rooks from Pigeon Point, Minn. 



Analyses. 



U. S. Geol. SuTV., Bull. No. 55, pp. 82-83, 

 Washington, 1880. 



[Lava from Shasta County, Cal. 



Analysis.] 



U. S. Geol. Surv., Bull. No. 55, p. 84 (J p.), 

 ■Washington, 1889. 



[Gieensands, ■white sand, fossil 



bones, and phosphatic nodules at Gay 

 Head, Mass.] [Analyses.] 



U. S. Geol. Surv., Bull. No. 55, p. 90 (J p.), 

 "Washington, 1889. 



Eruptive root from Henry Moun- 

 tains, Utah. [Analysis.] 



U. S. Geol. Surv., Bull. No. 60, p. 154 (8 p.)f 

 "Washington, 1890. 



Lavas from near Lassen Peak, Cal. 



[Analyses.] 



U. S. Geol. Surv., Bull. No. 60, pp. 156-157 

 (i p.), "Washington, 1890. 



Clarke, F. W., and. Limestones 



from Ohio. [Analyses.] 



U. S. Geol. Surv., Bull. No. CO, p. 160 (f p.), 

 "Washington, 1890. 



Rinqueberg, Eugene N. S. The Niagara 

 shales of western New York ; a study 

 of the origin of the subdivisions and 

 their fauna. 



Am. Geol., vol. 1, pp. 264-272, 1888. 



Rio, Andres Del, and Millington, John. 

 [Ou Rappahannock gold mines in Vir- 

 ginia.] 



Geol. Soc. Pennsylvania, Trans., vol. 1, pp. 

 147-167, 1835. 

 Riordan, Owen. The upper Potomac 

 coal field. 



The ■Virginias, vol. 3, p. 94 (f p.), 1882. 



Ripley, H. C. Report [Matagorda Bay 

 and channel at Indianola, Tex.]. 



U. S. Army, Chief of Engineers, Report for 

 1874, part 1, pp. 760-763, ■WashingtOB, I874. 



Ripley, H. C. — Continued. 



Report [Brazos River region, Texas]. 



U. S. Army, Chief of Engineers, Report for 

 1879, part 1, pp. 939-944, "Washington, 1879. 



[Report of Brazos Santiago Pass.] 



U. S. Army. Chief of Engineers, Report for 

 1881, part 2, pp. 1367-1373, ■Washington, 1881. 



Rising, W. B., Le Conte, Joseph, and. 

 The phenomena of metalliferous vein 

 formation now in progress at Sulphur 

 Bank, Cal. 



Am. Jour. Sci., 3d series, vol. 24, pp. 23-33, 

 1882. 



Rivero. Sketch of the mines of Pasco. 

 Am. Jour. Sci., vol. 17, pp. 43 [46]-63, 1830. 

 Translated from Jour. Nat. Sci., and Na- 

 tional and Foreign Industry, Lima, 1828. 



Rivot, L. E. MiSmoire sur le gisement 

 du cuivre natif au Lac Sup&ieur. 

 Comptes Eendus, vol. 40, pp. 1306-1309, 1855. 



"Voyage au Lac Sup^rieur. 



Annales des "Mines, 5th series, vol. 7, pp. 

 173-328, map, 1855. 



Mining Mag.,vol. 6, pp. 28-37, 99-106, 207-213, 

 414-418; vol. 7, pp. 249-255, 359-367; vol. 9, pp. 

 60-65, 1857. 



Map also issued separately. 



Notice sur le Lac Sup^rieur. 



Annales des Mines, 5th aeries, vol. 10, pp. 

 366-474, 1856. 



Ueber die Kupfererz-Lagerstatten 



am Obersee in den nord-amerika- 

 nischen Freistaaten. 



Berg- und Hiitten-Zeit., 1856, pp. 261-268, 

 269-271, 277-279, 293-295, 314-315, 317-318, 325- 

 328, 333-334, 341-343, 349-351, 357-359, 365-367, 

 381-382, 40, 1856. 



Robb, Charles. Some observations re- 

 lating to the physical condition of the 

 superficial deposits in Canada. 

 Canadian Nat., vol. 7, pp. 382-389, 1862. 



Report on a part of New Brunswick. 



Geol. Surv. Canada, Report of progress, 

 1866-69, pp. 173-209, map, 1870. 



Supplementary report on the geology 



of northwestern New Brunswick. 



Geol. Surv. Canada, Report of progress, 

 1870-71, pp. 241-251, 1872. 



Report on the coal mines of the east- 

 ern or Sydney coal field of Cape 

 Breton, Nova Scotia. 



Geol. Surv. Canada, Report of progress, 

 1872-73, pp. 238-290, map, Montreal, 1873. 



Report on explorations and surveys 



in Cape Breton, Nova Scotia. 



Geol. Surv. Canada, Report of progress, 

 1873-74, pp. 171-188, Montreal, 1874. 



