Professional Paper - United States Geological Survey Volume 68 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1910 Excerpt: ...that in the other mines. The placer ground that has been worked lies on the southeastern slope of the Jarilla Hills, east of the Nannie Baird mine. Although the outcrop of the Nannie Baird deposit is on a slope drained in the opposite direction, some have believed that that deposit was the source of the placer gold. The writer was informed, however, that the gold of the placers is different in appearance and character from the free gold found in the Nannie Baird mine. The absence of a water supply has made necessary the operation of some form of dry washer. The productive ground is reported to average about $1 a cubic yard, and a total of about $8,000 is said to have been produced. It is reported that a nugget weighing over 6 ounces was found in 1904. TULAROSA DISTRICT. The Tularosa district is situated near the southwestern base of the Sierra Blanca in northern Otero County, about 13 miles east-northeast of Tularosa on the El Paso and Southwestern System and about 5 miles west of the Mescalero Indian Reservation. The only development of importance is the Virginia mine of the Tularosa Mining and Milling Company at the little camp of Bent. Development began in 1904, so that the production up to the time of visit in 1905 had been small; a greater production has been made since then. In 1909 the company now known as the Tularosa Copper Company was preparing to erect a 100-ton concentration mill. It is stated in the press that a body of low-grade ore 45 feet thick and averaging 2.6 per cent of copper had been developed. In going up Tularosa Canyon one passes in descending order over tilted red grits and conglomerates. Near the Virginia mine these red beds become coarsely conglomeratic, containing bowlders of granite, syenite (?), and red, purple, bluish, and ne...