Laserfiche WebLink
Ms. Christine E. Johnston <br />1992 AHR Response <br />August 25, 1994 <br />Page 7 <br />Baseline periods of time are summarized in the following table. The dates of monitoring periods and <br />minimum and maximum values were observed have been included in the 1993 report. <br />Baseline Monitoring Periods of Time <br />HYDROLOGIC FEATURE MONITORING PERIOD OF TIME <br />Spring Water <br />Springs G-1, G-12, G-14, G-lti, G-20, G-22, and <br />G-24 June 1978 -August 1987 <br />Ground Water (Wells) <br />SG-l June 1978 -May 1986 <br />GP-1 August 1985 -May 1986 <br />SOM-80-H, SOM-13-H December 1979 -September 1987 <br />38-H-1 December 1979 -August 1985 <br />SOM-2-H January 1982 -September 1987 <br />SOM-l6-H April 1982 -September 1987 <br />SOM-C-72-H September 1988 -September 1992 <br />SOM-127-H September 1988 -March 1990 <br />SOM-128-H November 1990 -September 1992 <br />Seasonal Surface Water <br />Sylvester Gulch July 1975 -October 1981 <br />North Fork Gunnison, Above the Mine October 1975 -October 1981 <br />North Fork Gunnison, Below [he Mine October 1975 -October 1981 <br />9. The scales on the hydrographs were re-examined for the 1993 AHR. Scales were left the lama from one <br />page to another, and the scales were modified in some situations to reflect actual data points. <br />10. MCC is unable to accommodate the Division on their reyuest. As indicated in response to prior, similar <br />requests, MCC notes that two of [he surface water stations are USGS stations and the data is no[ available <br />for several months after the end of the water year. <br />11. Pages 7 & B of the 1992 AHR include a discussion of the year's mining activities and [he projected mining <br />activities for 1993. This information should provide more than adequate information on the location of the <br />affected areas for the year of concern es well as for the upcoming year. The Office of Inactive and Active <br />