42 Bulletin 7 98 



Notes on the Geology and Economic Mineralogy of the 



Southeastern Appalachians. 



{Abst.) Proc. Amer. Assoc. Adv. Sci., vol. xxii, pp. 113- 

 115. 1873. 



Some Account of the Crystalline Rocks of the Blue Ridge, 



and Their Decomposed Condition, in the Region to the 

 Southwest of Lynchburg, Virginia. 



Proc. Boston Soc. Nat. Hist., vol. xvi, pp. 115- 117, 1873- 

 74- 



On the Occurrence of Iron Ores in the Appalachian Re- 

 gion. 



Trans. Amer. Inst. Min. Engrs., vol. iii, pp. 417-421, 



1874-75. 



The Trias Rocks of Eastern North America. (Prog. 



Geol. Sci., 1882.) 



Ann'l Rep't Smithsonian Inst., 1882. 

 The Virginias, vol. v, p. 141, 1884. 



Copper Pyrites of the Blue Ridge Plateau. 



The Virginias, vol. vi, p. 106, 1885. 



Mineral Physiology and Physiography. A Second Series 



of Chemical and Geological Essays, with a General In- 

 trodu<5lion. 



New York, 1891, 2d ed., x\dii & 709 pp. 



For the geology of Virginia, see pp. 556, 662, et seq. 



Imboden, J. D., The Coal and Iron Resources of Virginia. 

 Their Extent, Commercial Value, and Early Development 

 Considered. (A paper read before a meeting of members 

 of the Legislature and prominent citizens in the Capitol 

 at Richmond, Feb. 19, 1872). 28 pp., with appendix. 

 Richmond, Va., 1872, Clemmitt & Jones, Printers. 



Jackson, C. T., Copper Mine at Elk Run, Virginia. 



Proc. Boston Soc. Nat. Hist., vol. vi, p. 183, 1856-59. 



Jefferson, Thos., Bone of a Mammoth Found in Virginia. 

 Proc. Amer. Phil. Soc, vol. i, pt. i, p. 266, 1774- 1838, 

 Only mentioned. January, 1798. 



