@article{240999, note = {Distributed to some depository libraries in microfiche.}, author = {Nelson, Philip H.}, url = {http://library.usi.edu/record/240999}, title = {Borehole magnetometry : detection of a steel liner from a nearby observation borehole /}, publisher = {U.S. Dept. of the Interior, Geological Survey,}, recid = {240999}, pages = {24 leaves :}, address = {[Denver, CO] :}, year = {1990}, }