Mineral resources--depletion or deterioration?
By: by Walfrid Been
Contributors: Michigan. Geological Survey Division
Series: Circular -- 3; Circular (Michigan. Geological Survey Division) -- 3.
Publisher: State of Michigan, Department of Conservation, Geological Survey Division
Published: 1966
Place of publication: Lansing, [Mich.]
Language: eng
Subjects: Mines and mineral resources; Mineral resources conservation; Geology
Notes: Cover title.

"October, 1966."