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3. N. Dhawan, M. S. Safarzadeh, J. D. Miller, R. K. Rajamani, M. S. Moats, “Insights into heap leach technology” in SME Annual Meeting and Exhibit 2012 (SME, Seattle, WA, 2012).
4. D. I. Bleiwas, Estimated Water Requirements for Gold Heap-Leach Operations (US Geological Survey, Virginia, 2012).