Investigation of quartz vein close to the atravezada vein area El Limón
Julio, 1980
135
Since the atravezada vein soon proved to be of more prospecting interestthan the vein in wich the tunnel originally had been constructed all further prospecting efforts were concentrated on the atravezada vein
Ministerio de Energía y Minas - Centro de Documentación
Marjorie Montiel
Hospital Bautista, 1 C. Este, 1 Cuadra al Norte. Managua
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