A. Geology and mineral paragenesis of the Pea Ridge Iron Ore Mine, Washington County, Missouri : origin of the rare-earth-element- and goldbearing breccia pipes /

Includes bibliographical references.

Subsidence investigations over a high-extraction retreat mine in Williamson County, Illinois : final report /

"Illinois Mine Subsidence Research Program"

Geology and ore deposits of the Afterthought Mine : Shasta County, California.

Mode of access: Internet.

Prospecting and mining of copper ore at Santa Rita, New Mexico,

First edition, September 1916. cf. verso of t.-p.

High-extraction coal mining in Illinois : effects on crop production, 1985-1987 /

"IMSRP-IV."