Title from title screen (viewed September 15, 2014).
Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).
"New techniques in direct-current resistivity exploration."
"Idealized Schlumberger souding curves, circular diagrams, and horizontal profiles are computed to assist in interpretation of electrical resistivity data obtained near a vertical plane boundary."
Bibliography
Includes bibliographical references (pages 21-22).