FINANCIAL OUTLOOK FOR WESTERN UNITED STATES PORPHYRY COPPER MINES = PERSPECTIVES FINANCIERES POUR LES MINES DE PORPHYRY COPPER DES ETATS-UNIS DE L'OUESTWINTERS HJ JR.1981; MIN. ENG. (N. YORK); ISSN 0026-5187; USA; DA. 1981; VOL. 33; NO 8; PP. 1243-1247Article

ECONOMIC EVALUATION OF IN-SITU EXTRACTION OF URANIUMCHASE CK; WINTERS HJ; BHAPPU RB et al.sdENERGY AND MINERAL RESOURCE RECOVERY. AMERICAN NUCLEAR SOCIETY. TOPICAL MEETING/1977-04-12/GOLDEN, CO; USA; WASHINGTON: U.S. DEPARTMENT OF ENERGY; DA. S.D.; ABS. 752-763Conference Paper