November 1999

Volume 51    Issue 11

FEATURED ARTICLES

Technology and productivity changes in US coal mining: a 45-year review
Joel Darmstadter
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New discoveries at the Red Dog zinc-lead deposit
S. Jennings, L.E. Young, J.T. Plahuta, T.E. Korlak, G.A. Coulter
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Gold and silver exploration in Irian Jaya
D. Potter, K. Parris, J. Mac Pherson, D. Wadsworth, G. O'Connor, Wahyu Sunyoto, Sugeng Widodo, C. Jones, D. MacKenzie, A. Edwards
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Mining Foundation of the Southwest selects 1999 honorees
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You have FREE full access to these Open Access articles:

USGS critical minerals review       PDF
USGS annual mining review       PDF

TECHNICAL PAPERS

Mine closure: a conceptual review
H.M. Lima, P. Wathern
Abstract  
Dense-sludge process for reduced AMD sludge disposal
R.L. Zick, M.H. Leon, D.C. Finn
Abstract  
Sorption of uranium, strontium and cesium on pozzolan
U. Cetin, R.K. Mehta
Abstract  
 

You have FREE full access to these Open Access articles:

USGS critical minerals review       PDF
USGS annual mining review       PDF