Page 17 - The Geology and Ore Deposits of Sierra County, New Mexico - Bulletin 10

16 GEOLOGY AND ORE DEPOSITS OF SIERRA CO., N. M.
once a thriving mining town, is now nearly abandoned. From north to south along the eastern slope of the Black Range are Chloride, Hermosa, Kingston, Hillsboro, and Lake Valley, all of them important camps during the early history of mining in the county, but which, with the closing of the mines, now exhibit mere remnants of their former activity.
MINING DISTRICTS
The chief mining districts in Sierra County, with their
principal metals, are given in the following list. The most im- portant metals are indicated by italics. An index map of the county. Plate III. shows the location of these districts.
In this report, ore deposits in the county that are valuable chiefly for their manganese content and deposits of the various non-metallic minerals are not considered in detail. Some of these have been described in other reports of the State Bureau of Mines and Mineral Resources.1a
CLIMATE AND VEGETATION
The altitude of Sierra County ranges from 4,100 feet above sea level in the Rio Grande valley at the south boundary of the county to 10,100 feet in the western part. The valley bottom at
is Wells, E. H., Manganese in New Mexico: N. Mex. Sch. of Mines, Min. Res. Survey Bull. 2, 1918.
Johnston, W. D., Jr., Fluorspar in New Mexico: N. Mex. Sch. of Mines, State Bur. of Mines and Min. Res. Bull. 4, 1928.
Lasky, S. G., and Wootton, T. P., The metal resources of New Mexico and their economic features : N. Mex. Sch. of Mines, State Bur. of Mines and Min. Res. Bull. 7, 1933.