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2020 ANNUAL HYDROLOGY REPORT <br /> SENECA II-W MINE <br /> PERMIT C-82-057 <br /> February 2021 <br /> v <br /> Submitted To: Colorado Division of Reclamation, Mining and Safety <br /> 1313 Sherman Street, Room 215 <br /> Denver, CO 80203 <br /> Prepared By: Seneca Coal Company <br /> PO Box 670 <br /> Hayden, CO 81639 <br /> �AEJVHCA <br />