Browse TRAIL Inventories

Chromite deposits :Sweetwater, Castro, Trinidad, New London, and Hilltop mines San Luis Obispo County, Calif.

Methods and operations at the Yerington Copper Mine and Plant of the Anaconda Co., Weed Heights, Nev.

A reconnaissance of asbestos deposits in the serpentine belt of Northern California

Mining and processing silica sands at Overton, Nev., by Simplot Silica Products, Inc.


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