Recovery of Heavy Minerals from Alabama Sand and Gravel Operations G. V. Sullivan Published: 1970 Total Pages: 22 Get eBook
Recovery of Heavy Minerals from Sand and Gravel Operations in the Southeastern United States Edward George Davis Published: 1971 Total Pages: 34 Get eBook
Tritiated Water as a Tracer in the Dump Leaching of Copper F. E. Armstrong Published: 1971 Total Pages: 292 Get eBook
Three Mine Fire Control Projects in Northeastern Pennsylvania H. A. Dierks Published: 1971 Total Pages: 768 Get eBook