Crow Butte

  • Crow Butte was the first uranium mine in Nebraska - discovered in 1980 and began production in 1991. 
  • Cameco operates the ISO 14001 certified facility. 
  • Crow Butte uses the environment-friendly in situ recovery mining method, like all of Cameco's US operations. 
Operation(As of December 31, 2016)
100% Cameco ownership
11.8 m lbs U3O8 long term production since 2000

2016 Update


At Crow Butte, production was 25% lower than in 2015 due to the decision to curtail production in 2016.

Crow Butte Production

Cameco's Share (millions lbs)

3 months ended
December 31
Year ended
December 31
2016 2015 2016 2015 2016 Plan 2017 Plan
- 0.1 0.3 0.4 0.2 0.11


1. We are no longer developing new wellfields at Crow Butte and Smith Ranch-Highland.


The curtailment of Cameco Resources’ US ISR operations resulted in a reduction of 85 positions, including employees and long-term contractors, with a workforce of 160 remaining to operate the sites. The severance cost was $3.6 million, which is included in our cost of sales.

Please see our 2016 Q4 MD&A for additional information.

See full Quarterly Report

Environment & Safety

Worker safety, environmental monitoring and proper decommissioning after project completion are of the utmost importance to Cameco.

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Reserves & Resources

Our mineral reserves and resources are the foundation of our company and fundamental to our success.

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Caution about Forward-Looking Information

Please click here for additional information about the assumptions applied in making the forward-looking statements on this page and the factors that could cause results to differ materially.