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-lo- IV. Geoloav -Rules 2.04.5 and 2.04.6 The Division has reviewed the information provided by the applicant in Section 2.04.7, Volume II and Volume III of the Second Adequacy Response for compliance with the Regulations. Analyses were provided for the physical and chemical properties of the roof and floor rock of the Red Arrow and the Dirty Jack O'Lantern seams. The operator has satisfied the Geologic characterization and baseline collection requirements. The proposed operation is in compliance with the requirements of this section. V. Hydrologic Balance -Rules 2.04.5, 2.04.7, 2.05.3, 2.05.6(3) and 4.05 A. Ground Water The description of the ground water regime within the permit and adjacent areas is contained on pages 1-39 of Section 2.04.7 of the Second Adequacy Response. Also, known uses of ground water within the permit and adjacent areas are shown on Figure 2.04.7(lc) and Table 2.04.7(1) of the Second Adequacy Response. A thorough discussion of the ground water within the permit and adjacent areas is contained in the probable hydrologic consequences Section of this Document (Section VIII.) B. Surface Water Surface water information provided in Section 2.04.7 of the Second Adequacy Response and Attachment III of the permit application was reviewed for compliance with the Regulations. A summary of the existing surface hydrology information presented by the applicant is contained in the probable hydrologic consequences section of this document (Section VIII). This study of the hydrology of the region and the probable hydrologic impacts of all coal mining in the Canon City Coal Field contains a discussion of the local and regional hydrology, baseline hydrologic data collection, and analysis of impacts and mitigation measures associated with the Dorchester No.l Mine. Dorchester has committed to a surface and ground water monitoring plan outined in the application. The Division approves of the monitoring plan but desires to clarify that monitoring is to continue until the Division approves modification or cancellation of the program. The following stipulation is therefore imposed: Stipulation No. 2 THE OPERATOR SHALL CONTINUE ALL HYDROLOGIC MONITORING OUTLINED IN THE APPLICATION AND THIS FINDINGS DOCUMENT UNTIL SUCH TIME AS THE DIVISION APPROVES OF MODIFICATION OR CANCELLATION OF THE PROGRAM.