Garrett, Charles L. Electronic prospecting / [electronic resource] / by Charles Garrett, Roy Lagal.. — Rev. ed.. — Dallas : : Ram Pub. Co.,, c1985.. — xi, 81 p. : : ill. ; 22 cm. — (A Ram guidebook).
Revised International Version.
Includes bibliographical references (p. 73).
0915920387 (pbk.) : $5.95 9780915920389 (pbk.)
76011380
Prospecting. Gold. Metal detectors. Electronic apparatus and appliances.