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Casper Today
By the People, for the People
American Uranium Expands Wyoming Uranium Resource
Company's Lo Herma ISR project sees resource growth and confidence upgrade in latest update.
Mar. 31, 2026 at 1:59pm
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American Uranium's Lo Herma project in Wyoming sees a significant resource upgrade, bolstering the company's position in the domestic uranium market.Casper TodayAmerican Uranium Limited, an ASX-listed uranium company, has announced an interim Mineral Resource update for its flagship Lo Herma in-situ recovery (ISR) project in Wyoming. The update comes at the halfway point of the company's ongoing drilling program, indicating resource growth and increased confidence in the project's viability.
Why it matters
The expansion and upgrade of the Lo Herma uranium resource is a positive development for American Uranium, as it strengthens the company's position in the domestic uranium market and supports the advancement of its ISR project in Wyoming. This is particularly significant given the renewed global interest in nuclear power and the need for reliable domestic uranium supplies.
The details
American Uranium's drilling program at the Lo Herma ISR project has resulted in an increase in the project's Mineral Resource, as well as an upgrade in the confidence level of the resource. The company's ongoing exploration and development efforts are aimed at further expanding and delineating the project's uranium mineralization, which could lead to a future production decision.
- The interim Mineral Resource update was announced on March 31, 2026.
- American Uranium is currently halfway through its drilling program at the Lo Herma project.
The players
American Uranium Limited
An ASX-listed uranium company focused on the development of its flagship Lo Herma in-situ recovery (ISR) project in Wyoming.
What’s next
American Uranium plans to continue its drilling program at the Lo Herma project, with the goal of further expanding and upgrading the resource. The company will also work towards a future production decision for the project, subject to the results of ongoing exploration and feasibility studies.
The takeaway
The expansion and upgrade of the Lo Herma uranium resource is a positive development for American Uranium, as it strengthens the company's position in the domestic uranium market and supports the advancement of its ISR project in Wyoming. This is particularly significant given the renewed global interest in nuclear power and the need for reliable domestic uranium supplies.




