TY - RPRT TI - Crosswell seismic investigation of hydraulically conductive, fracture bedrock near Mirror Lake, New Hampshire AU - K.J. Ellefsen AU - P. A. Hsieh AU - A.M. Shapiro PY - 2002 DO - 10.1016/s0926-9851(02)00149-0 UR - https://pubs.usgs.gov/publication/70024640 ID - 70024640 ER -