MINERALS, METEORITES, ROCKS, AND ORES. 365 



52051. California. Rocks from the Bidwell Bar Quadrangle, 89 speci- 

 mens. 



Turner, Seventeenth Ann. Rept. U. S. Geol. Surv., Pt. I, 1S96, 

 pp. 552-590; U. S. Geol. Surv., Folio No. 43, Geol. Atlas, 1898. 



53796. California. Rocks from the Bigtrees Quadrangle, 39 speci- 

 mens. 



Turner, Seventeenth Ann. Rept. U. S. Geol. Surv., Pt. I, 1S96, 

 pp. 696-701; Turner and Ransome, U. S. Geol. Surv., Folio 

 No. 51, Geol. Atlas, 1898. 



73749 California. Rocks from the San Duis Quadrangle, 201 speci- 

 to mens. 



75 2 / 1 - Fairbanks, U. S. Geol. Surv., Folio No. 101, Geol. Atlas, 1904. 



63420. Colorado. Rocks and ores from Cripple Creek District, 680 

 specimens. 



Cross, U. S. Geol. Surv., Folio No. 7, Geol. Atlas, 1894. — Cross and 

 Penrose, Sixteenth Ann. Rept. U. S. Geol. Surv., Pt. II, 1895, 

 pp. 13-109. 



73716. Colorado. Rocks and ores from the Telluride Quadrangle, 373 

 75274. specimens. 



Purrington, Eighteenth Ann. Rept. U. S. Geol. Surv., Pt. Ill, 1898, 

 pp. 745-850, pis. 103-10S; U. S. Geol. Surv., Folio No. 57, Geol. 

 Atlas, 189S. 



73501. Colorado. Rocks from Anthracite and Crested Butte quad- 

 rangles, 514 specimens. 



Cross, U. S. Geol. Surv., Folio No. 9, Geol. Atlas, 1S94. 



51334 Colorado. Rocks from Deadville region, 1,091 specimens. 



Emmons, Second Ann. Rept. U. S. Geol. Surv., 1882, pp. 201-290, 

 5 X 535- pis. 44, 45. — Emmons, Cross, andGuyard, Mon. XII, U. S. Geol. 



Surv., 1886. 



(Also catalogue numbers as follows: 65835 to 66013, 66358 to 

 66433, 68801 to 69084, 69089 to 69190, 69344 t° 69548.) 



63682. Colorado. Rocks from Pikes Peak Quadrangle, 467 specimens. 



74°77- Cross, U. S. Geol. Surv., Folio No. 7, Geol. Atlas, 1S94. 



65724 Colorado. Rocks from Querida, Rosita Hills, and Silver Cliff 

 to quadrangles, Custer County, 108 specimens. 



6 5 8 34- Emmons, Seventeenth Ann. Rept. U. S. Geol. Surv., Pt. II, 1S96, 



pp. 405-472, pi. 37- 



73513. Colorado. Rocks from Silver Cliff and Rosita Hills districts, 

 352 specimens. 



Cross, Seventeenth Ann. Rept. U. S. Geol. Surv., Pt. II, 1S96, 

 pp. 263-404, pis. 25-37. 



52940. Colorado. Rocks from the Geyser mine, Silver Cliff District, 

 Custer County, 44 specimens. 



Emmons, Seventeenth Ann. Rept. U. S. Geol. Surv., Pt. II, 1S96, 

 pp. 452-472. 



75428. Colorado. Rocks from theLaPlata Quadrangle, 150 specimens. 



Cross, Spencer, and Purrington, U. S. Geol. Surv., Folio No. 60, Geol. 

 Atlas, 1899. 



