09:48 AM EST - Atna Resources Ltd. : provided results from the underground definition and in-fill drill holes at its Pinson Underground Mine near Winnemucca, Nevada. The underground reverse circulation drilling was conducted on two ore zones currently being mined, the Ogee and Otto. In the Ogee zone, holes were designed to delineate the margins of a longhole stope under development that will be mined during the second quarter of 2015. Additionally, this work tested an isolated ore-grade intercept beyond the current mine plan. The limits of the longhole stope were adequately delineated and the outer zone was intercepted approximately 30 feet (10 m) from an active heading and returned 50 feet (15.2 m) grading 0.869 oz/ton Au (29.8 g/t). Drilling in the Otto zone targeted areas where additional information was required to convert inferred mineralization to measured and indicated resource for inclusion in the mine plan. Atna Resources Ltd.
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