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i EXECUTIVE SUMMARY <br />' This report presents an annual summary of all activities conducted near the former Go]den Eagle <br />Mine located near Weston in Las Animas County, Colorado. The objective of this summary is to <br />' present historical data and data collected during 2002 that quantify the extent of impacts. In <br />summary, the results presented in this report indicate a decreasing trend in the concentration of <br />methane over time. <br />Previous investigations at the Golden Eagle Mine site included the initial installation of 25 <br />monitoring points to evaluate the extent and concentrations of methane in the shallow subsurface <br />soils. A second investigation included installation of 10 additional monitoring points at the site. <br />These previous investigations included research on the geology of the area, a surface methane <br />survey, research of nearby coal bed methane wells, and evaluation of groundwater extraction in <br />' the area. The coal bed methane wells on site were plugged and abandoned in late 2000. <br />MeW-(292)-11-02.docMOVember 20, 2002 4 <br />