G. W. Mccall

Direct‐Push Electrical Conductivity Logging for High‐Resolution Hydrostratigraphic Characterization

James J. Butler, D. A. Wysocki, J. Butler, 2003 .

Hydraulic Tests with Direct‐Push Equipment

John M Healey, James J Butler, G Wesley McCall, 2002, Ground water.

Direct-push geochemical profiling for assessment of inorganic chemical heterogeneity in aquifers.

M. Schulmeister, J. Healey, G. W. Mccall, 2004, Journal of contaminant hydrology.