PREVAL :prefeasibility software program for evaluating mineral properties : version 1.01, users manual, using Lotus 1-2-3 release 2.01 or newer

Author: Smith, R. Craig.
Year: 1992
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:9307
Series: Information circular / Bureau of Mines ;
Report Number: 9307
Subject: Mine valuation--Computer programs
Link: https://hdl.handle.net/2027/mdp.39015078458885

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