476 



CATALOGUE AND INDEX OF 



[BOLL. 121 



Hill, Robert T.— Continued. 



and Dumble, E. T. The igneous 



rocks of central Texas. [Abstract.] 

 Am. Assoc. Adv. Sci., Proc, vol. 38, pp. 242- 

 243 (J p. 1,1890. 

 Hill, S. W., Foster, J. W., and. Statis- 

 tics of the mines of Keweenaw Point. 

 Message Prest. U. S., 31st Cong., 1st sess., 

 H. Ex. Doc. No. 5, part 3, pp. 759-765, Wasli- 

 ington, 1849. 

 Hillebraud, William. On the crater of 

 Kilauea and the eruptions southwest. 

 Am. Jour. Sci., 2d series, vol. 46, pp. 116-121, 

 1868. [Extracted from Hawaiian Gazette.] 

 Hillebrand, "W. F. Chemistry. 



Geology and Mining Industry of Leadville, 

 Colo., hy S. F. Emmona. U. S. Geol. Snrv., Mon- 

 ograph, vol. 12, pp. 585-008, 'Washington, 1886. 



Rocks from Pigeon Point, Minn. 



Analyses. 



V. S. Geol. Surv., Bull. No. 55, pp. 81-82, 

 Washington, 1889. 



[Volcanic] rocks from California. 



Analyses. 



U. S. Geo). Surv., Ball. No. 55, pp. 84-85, 

 "Washington, 1889. 



Novaculite from Marquette, Mich. 



[Analysis.] 



U. S. Geol. Surv., Bull. No. 60, p. 151 (i p.), 

 Washington, 1890. 



Rocks collected by E. D. Irving. 



[Gabbro, limestone, and iron carbon- 

 ate. Analyses.] 



IT. S. Geol. Surv., Bull. No. 60, pp. 149, 150 

 (I p.), Washington, 1890. 



Marble from Louisiana. [Analysis.] 



U. S. Geol. Surv.,BuU. No. 60, p. 160 (i p.), 

 Washington, 1890. 

 Dolomite from Tuekahoe, Westches- 

 ter County, N. Y. [Analysis.] 



U. S. Geol. Surv., Bull. No. 00, p. 159 (J p.), 

 Washington, 1890. 



Lavas from near Lassen Peak, Cal. 



[Analyses.] 



V. S. Geol. Surv., Bull. No. 60, pp 155-157, 

 Washington, 1890. 



Knox dolomite and residual clay 



from Morrisville, Ala. [Analysis.] 

 IT. S. Geol. Surv., BuU. No. 60, p. 159 

 (i P-). Washington, 1890. 

 Cross, Whitman, and. On the min- 

 erals, mainly zeolites, occurring in the 

 basalt of Table Mountain, near Golden, 

 Colo. 



Am. Jour. Sci., 3d series, vol. 23, pp. 452-458, 

 1882. 



. On minerals of the Cryolite 



group recently found in Colorado. 



Am. Jour. Soi., 3d series, vol.26, pp, 271-294, 

 1883. 



Hildebrand, W. F. and Cross, Whit- 

 man — Continued . 



Contributions to the mineralogy 



of the Rocky Mountains. 



tr. S. Geol. Surv., J. W. Powell, Director, 

 Bull. No. 20, vol. 3, pp. 225-232, plates, 1885. 



Hills, K. C. Note on the occurrence of 

 fossils in the Triassic and Jurassic beds 

 near San Miguel, Colo. 



Am. Jour. Sci., 3d series, vol. 18, p. 490 (Jp.), 

 1880. 



Jura-Trias of southwestern Colo- 

 rado. 



Am. Jour. Soi., 3d series, vol. 23, pp. 243-244 

 (ftp.), 1882. 



Extinct glaciers of the San Juan 



Mountains, Colo. 



Colorado Sci. Soc, Proc.,vol. 1, pp.39-46, 1883. 

 Am. Jour. Sci., 3d series, vol. 27, pp. 391-396, 

 1883. 



Ore deposits of Summit district, Rio 



Grande County, Colo. 



Colorado Sci. Soc, Proc, vol. 1, pp. 20-36, 

 plate, 1883. 

 Abstract, with comments, by S. F. Emmons. 

 Eng. and Mining Jour., vol. 35, pp. 332-334, 

 4°, 1883. 



Remarks on the occurrence of coal in 



the Carboniferous formation at Aspen 

 and Greenwood Springs, Colo. 



Colorado Soi. Soc, Proc, vol. 2, pp. 25-26, 

 1886. 



Notes on the recent discovery of nat- 

 ural gas in Pitkin County, Colo. 



Colorado Soi. Soc, Proc, vol. 2, part 2, pp. 

 106-107, 1886. 



Circulation of water through the 



strata of the upper Cretaceous coal 

 measures of Gunnison County, Colo. 

 Colorado Sci. Soc, Proc, vol. 2, part 2, pp. 

 127-133,1830. 



Preliminary notes on the eruptions 



of the Spanish Peaks region. 



Colorado Sci. Soc, Proc, vol. 3, pp. 24^34, 

 plate, 1889. 



The recently discovered Tertiary 



beds of the Huerfano River basin, 

 Colo. 



Colorado Soi. Soc, Proc, vol. 3, pp. 148-164, 

 plate, 1889. 



Address : The field for original work 



on the Rocky Mountains. 



Colorado Sci. Soc, Proc, vol. 3, pp. 16.'i-184, 

 1889. 



Additional note on the Huerfano 



beds. 



Colorado Sci. Soc, Proc, vol. 3, pp. 217-228, 

 1890. 



