VANCOUVER, British Columbia, Oct. 15, 2025 (GLOBE NEWSWIRE) -- Highland Copper Company Inc. (TSXV: HI; OTCQB: HDRSF) (“Highland” or the “Company”) has successfully completed Phase 1 detailed engineering (“Phase 1”) for its 100%-owned Copperwood Project in Michigan, USA. Phase 1 represented a comprehensive re-evaluation of the project, and in key areas, confirmation of overall project design. The work has delivered meaningful improvements to both the process plant and mine, strengthening the overall project, ...