1 page matching pound of zinc in this book
Results 1-1 of 1
What people are saying - Write a review
We haven't found any reviews in the usual places.
Supply of copper from domestic deposits
Potential domestic annual production schedule at various copper
0-percent 15-percent rate 92 million metric Alaska ANNUAL RECOVERABLE COPPER Availability Field Office base data1 Property Bureau of Mines capital investment Colo constant 1978 dollars copper properties copper reserve base Copperhill currently producing data1 Property name Davidoff deposits at various Dev UG domestic copper reserve domestic deposits estimated Exp UG explored deposits Field Operations Center financial evaluation Helvetia illustrated in figure increases in copper indirect operating costs January 1978 dollars Juneau least a 15-percent mill capital cost million metric tons Minerals Availability Field mines and deposits Mines Field Operations Nonproducing numbers past producer pound Ppd UG Property name Map Property status quantity of copper rate of return receive at least recoverable copper available refined copper reserve base data1 reserves and resources resource tonnage smelting supply thousand metric tons tons of copper Total recoverable copper troy ounce various copper prices