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<br /> <br /> <br /> <br />Portland Limestone Quarries (M-1977-344) Permit <br />Amendment-02: <br />Red Creek Quarry Baseline <br />Surface Water and Groundwater Sampling and Analysis Plan <br />Prepared for <br />HolcimUS <br />Portland, CO <br />August 2023 <br />Revised January 2024 <br />