Lead, South Dakota—(Newsfile Corp. – October 16, 2025) – Dakota Gold Corp. (NYSE American: DC) announced assay results from 32 new infill and metallurgical drill holes at its Richmond Hill Oxide Heap Leach Gold Project. The company completed 27,500 m (≈90,000 ft) of drilling in the 2025 campaign, adding to the existing program that supports the project’s first‑year mining plan.
The results show consistent high‑grade gold intercepts in the northern portion of the project, reinforcing the mine plan outlined in the July 7, 2025 Initial Assessment with Cash Flow. The core drilling was designed to collect metallurgical samples for column testing, condemnation drilling beneath proposed infrastructure, infill drilling to upgrade the existing resource, and expansion drilling where the resource remains open.
These assay data will refine the oxide and sulfide resource models and improve the precision of the geometallurgical domains used in the upcoming Feasibility Study. By providing critical information on mineralization continuity and grade, the results support the company’s transition from exploration to detailed feasibility and eventual permitting.
James Berry, Vice President of Exploration, said the northern‑area results are “particularly promising as we target this area for the initial stages of mining.” The company will incorporate the new data into the Feasibility Study to better define mine planning and resource conversion for Richmond Hill.
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