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l J Hydrologic Monitoring Activists 1990 water year for these sites are presented in Appendix B and Appendix C, respectively. Seasonal (three times per year) water samples wore taken at all surface water monitoring stations except the USGS North Fork station. Measured parameters included pH, conductivity, temperature, total dissolved solids, total suspcnded solids, total iron, and total manganese. Sampling results are summarized in Appendix D. Minimum and maxi- mum information for the baseline monitoring period is compared with water year 1990 data for the Sylvester Gulch and North Fork Upper sta- tions in Appendix E. Spring Water Monitoring Seven springs were monitored during the 1990 water year (Table 2). Their locations are shown on Exhibit [. Atl known springs in the lease area are shown on Exhibit 2.8.1.B. in Volume 3 oC the M and R Plan. fn accordance with U.S. Forest Service (USES) stipulations, a map of USES water resourccs has been includcd as Exhibit III. Table 3 summarizes the resourccs. Some of the USES water resources are springs. No changes in the USES Water Re- sources Map are necessary for 1990 because no new rights were filed Cor or new uses made in 1990 in the lease area. Seasonal measurements (three times per ycar) of pH, conductivity, tempcrature, total dissolved solids, total suspcnded solids, total iron, and total manganese were taken at each of the sevcn springs. Measured Oows, field parameters, and the results of laboratory analysts are presented in Appendix F. Maximum and minimum comparisons are presented in Appendix E. Bar graphs depicting spring flows From 1979 to the present have been included as Appendix G. Of the sevcn springs, only springs G-14, G-16, and G-20, were sampled during ]990. Flows at the other four springs were either nonexistent or insufficient for sampling during all three sampling periods. Consequently, water quality data arc available only for springs G-14, G-16, and G-20. Groundwater Monitoring Twenty-three wells were monitored during the 1990 water ycar (Table 4). Their locations are shown on Exhibit 1. Sampling frequency for water levels and water quality was 3 times per year. Monitored parameters includcd water level, pH, conductivity, tempcrature, mtal dissolved solids, 'fable 2 Summary of the Spring Monitoring Program of the M1it. Gunnison No. 1 Mine Location Frequenry of Discharge Measurement Flr~7x Frequency of Water Quality Measurement Springs Above the " F" Seam in the North Fork Drainage Basin G-12 3 times per year F 3 times per year G-14 3 times per year t: 3 times per year G-16 3 times per year F 3 times per year G-22 3 times per year F 3 times per ycar G-24 3 times per year ~ 3 times per year Springs in or Below the "F' Seam in the North Fork Drainage Basin G-la 3 times per year G-20 3 times per year 3 times per year 3 times per year •