71 Geological Bibliography of Virginia 15 



Clifford, Wm., Richmond Coal Field, Virginia. 



Trans. Geol. Soc. Manches., vol. xix, pp. 326-353. 431- 

 433. pis- 1-5. 1888. 



Additional Notes on Richmond Coal Field, Virginia, in 



Reply to Criticisms. 



Trans. Geol. Soc. Manches., vol. xx, pp. 247-256, 1889. 



Clinch. The Coal Field of Southwest Virginia. 



Engr. and Min. Jour., vol. xlvii, p. 85, 1889. 



Clerc, F. I/., The Mining and Metallurgy of Zinc in the 

 United States. 



Min. Res. U. S., 1883, pp. 358-386. 

 For" Virginia, see p. 365. 



Clemson, Thos. G., Notice of a Geological Examination of 

 the Country between Fredericksburg and Winchester, in 

 Virginia, Including the Gold Region. 



Trans. Geol. Soc. Pa., vol. i, map opp. p. 298, 1835. 



The Gold Region of Virginia. 



Trans. Geol. Soc. Pa., vol. i, p. 309, 1835. 



Clemson, T. G., & Taylor, R. C, The Gold Region of 

 Virginia. 



Trans. Geol. Soc. Pa., vol. i, p. 310, 1835. (Not seen). 



Cobb, Collier, A Recapture from a River Pirate. 

 Sci., vol. xxii, p. 195, 2 figures, 1893. 



The Jackson River of Bath and Alleghanj^ Counties, Virginia. 

 Back Creek and Meadow Fork. 



Cocke, J H., Virginia Aerolite (Meteorite). 



Amer. Jour. Sci., vol. xv, pp. 195-196, 1829. 



Committee (Bramwell, J. H., Buck, S. M., & Williams, E. H. ), 

 The Pocahontas Mine Explosion. 



Trans. Amer. Inst. Min. Engrs., vol. xiii, pp. 237-249, 

 map, 1884-85. 



Conrad, T. A., On Some New Fos.sil and Recent Shells of 

 the United States. 



Amer. Jour. Sci., 2d ser. , vol. xxiii, pp. 339-346, 1833. 



Observations on the Tertiary and More Recent Forma- 

 tions of a Portion of the Southern States. Read April 

 15th, 1834- 



