^53 Geological Bibliography of Virginia 97 



Ochre and Metallic Paint, by E. W. Parker, pp. 751-754- 



Virginia, see pp. 751, 752. 

 Pyrites, by E. W. Parker, pp. 773-775- 



Virginia, see p. 773. 

 Soapstone, by E. W. Parker, pp. 739-742. 



Virginia, see pp. 739, 740. 

 Tin, pp. 249-265. 



Virginia, see pp. 249, 250. 

 Infusorial Earth, by E. W. Parker, pp. 707-708. 



Virginia, see p. 708. 

 Mica, by L. J. Childs, pp. 723-726. 



Virginia, see p. 725. 

 Precious Stones, by G. F. Kunz, pp. 669-677. 



Virginia, see p. 675. 

 Marl, by J. Middleton, p. 695. 



Virginia, see p. 695. 

 Millstones, by E. W. Parker, pp. 715-716. 



Virginia, see p. 715. 

 Iron Ores, by J. Birkinbine, pp. 3-30. 



Virginia referred to throughout. 



Donald, W. A., Manganese Ores. 



The Virginias, vol. i, p. 106, 1880. 



Manganese Trade of 1880-1881. 



The Virginias, vol. ii, p. 45, 1881. 



Dunnington, F. P., Bertha, Virginia, Zinc Ore and Spelter. 

 The Virginias, vol. ii, p. 147, 1881. 



Hydraulic Limestone of Balcony Falls, Rockbridge Coun- 

 ty, Virginia. 



The Virginias, vol. iii, p. 88, 1882. 



An Examination of Blue Quartz from Nelson County, 



Virginia. 



The Virginias, vol. vi, pp. 2-3, 1885. 



Hgleston, Thos., The Iron Ores near the Shenandoah Val- 

 ley Railroad. 



The Virginias, vol. i, p. 50, 1880. 



The Iron Ores and Coals on the Line of the Chesapeake 



& Ohio Railway, and the Need of an Industrial Survey 

 of Virginia and West Virginia. 



The Virginias, vol. i, pp. 24-25, maps, 1880. 



