BLM seeks public input for pumice mine in Inyo County

Document released for 15-day comment period

Desert hills with small brush. (Randall Porter, BLM)

RIDGECREST, Calif. – The Bureau of Land Management, Ridgecrest Field Office, is seeking public input on the environmental analysis for a proposed pumice mine in the Coso Mountains, south of Owens Lake.

Southwest Pumice, LLC, seeks authorization to mine up to 25 acres and 100,000 tons of pumice on BLM-managed public lands in Inyo County, Calif. The Makayla II mine proposal includes some previously mined areas. The environmental assessment analyzes impacts to resources including special areas, special status plant and animal species, and cultural concerns. 

Release of the environmental assessment begins a 15-day comment period. Substantive comments must be received by June 23, 2021. Members of the public may submit comments via ePlanning at; or by fax at 760-384-5499.  For more information about the project or how to comment contact Randall Porter, Geologist, at

This year, we invite everyone to reimagine your public lands as we celebrate 75 years of the BLM’s stewardship and service to the American people. The BLM manages approximately 245 million acres of public land located primarily in 12 Western states, including Alaska. The BLM also administers 700 million acres of sub-surface mineral estate throughout the nation. The agency’s mission is to sustain the health, diversity, and productivity of America’s public lands for the use and enjoyment of present and future generations. 

Release Date


Bureau of Land Management


Ridgecrest Field Office


Michelle Van Der Linden