TY - BOOK AU - Borchers,James W. AU - Wyrick,Granville G. ED - United States. TI - Hydrologic effects of stress-relief fracturing in an Appalachian valley U1 - 551.480973 23 PY - 1981/// CY - Washington, D. C. PB - United States Government Printing Office KW - Hydrology KW - United States KW - Watersheds ER -