Bulletin 7 ia8 



Barytes, pp. 39-40. 



Virginia, see p. 39. 

 Aluminum, by H. N. Yates, pp. 11- 18. 



Virginia: Bauxite, p. 11. 

 Cement, by Wm. A. Smith, pp. 49-56. 



Virginia, see p. 54. 

 Coal and Coke, by Wm. B. Phillips, pp. 73-96. 



Virginia, see pp. 76, 77, 79, 86, 87. 

 Gold and Silver, pp. 171-232. 



Virginia: Gold, p. 183. 

 Manganese, by R. A. F. Penrose, jr., pp. 329-338. 



Virginia, see pp. 329, 330, 332. 

 Pyrites, pp. 429-434. 



Virginia, see p. 429. 

 Iron and Steel, by Wm. B. Phillips, pp. 271-300. 



Virginia, see p. 272. 

 Salt, by F. E. Engelhardt, pp. 411-419. 



Virginia, see p. 414. 

 Tin, by Wm. DeL. Benedi<5l, pp. 439-462. 



Virginia, see p. 455. 



Vol. II. xl & 894 pp. 1893. 

 Barytes, pp. 53-56. 



Virginia, see p. 53. 

 Cements, by S. B. Newberry, pp. 84-90. 



Virginia, see p. 87. 

 Chrome Iron Ore, pp. 149-164. 



Virginia, see p. 152. 

 Clay, by H. Ries, pp. 165-210. 



Virginia, see pp. 170, 201. 

 Coal, by H. S. Fleming, pp. 211-227. 



Virginia, see pp. 211, 214, 217, 218. 

 Gypsum, pp. 343-344- 



Virginia, see p. 343. 

 Iron and Steel, by H. S. Fleming, pp. 249-376. 



Virginia, see pp. 351, 356. 

 lyead, pp. 379-426. 



Virginia, see pp. 380, 385. 

 Lithographic Limestone, by G. P. Merrill, pp. 453-456. 



Virginia, see p. 454. 

 Manganese, by R. A. F. Penrose, jr., pp. 467-470. 



Virginia, see p. 468. 

 Limestone, Marble, and Lime, by T. C. Hopkins, pp. 443- 



451- 



Virginia, see p. 447. 



The Rare Elements, by W. R. Ingalls, pp. 555-576. 

 Virginia: Molybdenum, p. 564. 



