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Draft Environmental Impact Statement for Roca Honda Mine

Draft Environmental Impact Statement for Roca Honda Mine

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Chapter 3. Affected Environment and <strong>Environmental</strong> Consequences<br />

Data obtained by RHR regarding aquifer properties and water chemistry are consistent with table<br />

6. TDS (total dissolved solids, a measure of overall salinity) in Westwater Canyon water samples<br />

collected from the three RHR monitoring wells ranged from 425 to 532 mg/l, which is fresh<br />

water. Calculations from an aquifer test indicated average transmissivity between 80 and 200<br />

ft2/day and a storage coefficient of 0.0002 (RHR, January 2011 Revision 1).<br />

Figure 39. Typical stratigraphy of the <strong>Roca</strong> <strong>Honda</strong> permit area<br />

132 DEIS <strong>for</strong> <strong>Roca</strong> <strong>Honda</strong> <strong>Mine</strong>, Cibola National Forest

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