117 Geological Bibliography of Virginia 6i 



Virginia Oriskany Iron Ores. 



Engr. and Min. Jour., vol. liv, p. 150, secflion, 1892. 



(Magnetite Ore Samples in Rocky Mount Sedlion, Vir- 

 ginia, and their Chemical Analyses). 



Trans. Amer. Inst. Min. Engrs. , vol. xx, pp. 185-188, 

 1892. 



A discussion of Mr. H. B. C. Nitze's in same Journal. 



The Oriskany Iron Ores at Ritch Patch Mines, Virginia. 



Engr. and Min. Jour., vol. Ixi, pp. 113, 134, 159-160, 

 1896. 



Peckham, S. F., & Weeks, Jos. D., Special Reports on 

 Petroleum, Coke, and Building Stones of the United 

 States. 



loth Census U. S., 1880, maps and illustrations. 

 Report on the Manufacture of Coke, by Jos. D. Weeks, 



V & [06 pp., illustrated. 



For Virginia, see pp. 28, 41. 

 Report on the Building Stones of the United States, and 



Statistics of the Quarry Industry for 1880, xiii & 399 



pp., illustrated. 



Virginia: Description of the crystalline silicious rocks, pp. 50, 51, 

 74, 75; Description of the quarries, pp. 179-181; Description of the 

 Marble and Limestone, pp. 50, 51, 74, 75; Notes of Huntington and 

 Monroe upon the Building Stones, p. 179; Slate, pp. 50, 51, 74, 75, 

 180-181; Soapstone, p. 181. 



Penrose, jr., R. A. F., Manganese, its Uses, Ores and De- 

 posits. 



Ann'l Rep't Ark. Geol. Surv., vol. i, xxvii & 642 pp., 

 plates and maps, 1890. 



For Virginia, see pp. 57-61, 65, 66, 67, 372-388, 401-412. 



{Abst.) Amer. Geol., vol. viii, pp. 261-263, 1891. 



For further reference, see under Rothwell, R. P. 



Personal and Scientific News. Mastodon Remains in the 

 Shenandoah Valley, Virginia. 



Amer. Geol., vol. vii, p. 335, 1891. 



Phillips, Wm. B., (See under Rothwell, R. P.). 



Pierce, Jas., Practical Remarks on the Shell Marl Region 

 of the Eastern Parts of Virginia and Maryland, and upon 

 the Bituminous Coal Formation in Virginia and the Con- 

 tiguous Region; Extradled from a Letter to the Editor. 

 Amer. Jour. Sci., vol. xi, p. 54-59, 1826. 



