au.\*:("HILLARD PD")
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GEOLOGY AND BERYLLIUM MINERALIZATION NEAR APACHE WARM SPRINGS, SOCORRO COUNTY, NEW MEXICO.HILLARD PD.1969; STATE BUR. MINES MINER. RESOURCES NEW MEXICO INST. MING. TECHNOL., CIRC; USA; 1969, NUM. 0103, P. 1 A 16Miscellaneous