UNIVEKSri Y OF VIRGINIA PUBLICATIONS 



BULLETIN 



PHILOSOPHICAL SOCIETY 



Scientific Series, Vol. 1, No. 17, pp. 349-868, July, 1013 



Drainage Cliang*es in the Slienandoali Valley Reg-ion 

 of Virginia 



BY 



THOMAS L. WATSON AND JUSTUS H. CLINE 



UNIVERSITY OF VIllQINIA 

 ChBrlottesviUe, Vireinia, U. S. A. 



