Gold bug
Subtitle: advanced nugget hunting with the Fisher gold bug metal detector
By: by Pieter Heydelaar, David Johnson.
Contributors: Johnson, David, 1946 Aug. 23-
Publisher: Fisher Research Laboratory
Published: 1988
Place of publication: Los Banos, CA
Language: eng
Number of pages: 44
Subjects: Gold ores.; Prospecting -- Electric equipment.; Metal detectors.