Induction prospecting for shallow ore deposits and small metallic objects
By: by J.W. Joyce.
Contributors: United States. Bureau of Mines.
Series: Information circular / United States Bureau of Mines -- I.C. 6854; Information circular (United States. Bureau of Mines) -- I.C. 6854
Publisher: United States Bureau of Mines
Published: 1935
Place of publication: Washington D.C
Language: eng
Number of pages: 18
Subjects: Magnetic prospecting; Prospecting
Notes: Cover title.