Lane Mtn Silica Quarry & Mill, operated by Lane Mt. Silica Co., produces high-quality ground silica for various applications. Located in Valley, Stevens County, WA, with convenient access to I-90 and Hwy 395/231, this surface operation provides a reliable source of silica for the Spokane market and beyond; the quarry is operated by Hemphill Brothers Inc and has 39 employees.
Operator
Lane Mt. Silica Co.
Parent Company
Hemphill Brothers Inc
Company Type
Corporation
280
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48.131111, -117.744167
Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
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