1. Preliminary investigation of paleochannels and groundwater specific conductance using direct-current restitivity and surface-wave seismic geophysical surveys at the Standard Chlorine of Delaware, Inc., superfund site, Delaware City, Delaware, 2008 Author/Creator: Degnan, James R. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2010 Format: Book Access & Availability: Loading
2. Geophysical investigations of well fields to characterize fractured-bedrock aquifers in southern New Hampshire Author/Creator: Degnan, James R. Publication/Creation: Pembroke, N.H. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Format: Book Access & Availability: Loading