In 2019, JCOS received a proposal for a land exchange with Martin Marietta Materials (MMM). The proposed HSE agreement includes the exchange of 64 acres of JCOS property to expand the current Specification/Aggregate mine located on US 40, north of I-70, for approximately 131 acres of MMM property.
Upcoming Community Meetings
Origins Hotel Red Rocks18485 W Colfax AveGolden, CO 80401
The public is encouraged to join us at one of the upcoming community meetings to learn more about, and comment on, the proposed exchange. Each meeting will include a presentation and question/answer session.