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' Kent Gorham <br />' June 12, 2006 <br />Page 2 <br />Basin was eligible for Phase I bond release upon completion of mine related reclamation activities. <br />Basin filed an application with the CDMG for Phase I bond release on September 2,1997. Release of <br />$676,874 was granted on December 11, 1997. This release reduced the remaining bond amount to <br />$477,085. A second Phase I bond release request was submitted by Basin on May 8, 1998. CDMG <br />granted release of $111,490 on October 16, 1998, reducing the amount ofbond liability to $365,595. <br />Basin was eligible for Phase II bond release upon establishment of appropriate vegetative cover and <br />proving that erosion was demonstratively controlled. Basin applied for Phase II bond release on <br />August 25, 2000. In accordance with CDMG guidelines, up to 85 percent of the original bond for an <br />area can be released under Phase II approval. Consequently, the CDMG released $192,501 ofbond <br />liability in early 2001, thereby reducing the remaining bond liability to $173,094. Recently, the <br />CDMG approved a plan to abandon the northwest airshaft (TR-55) and raised the current bond <br />liability to $206,633.14. <br />Methods to measure vegetative ground cover, herbaceous production, and species diversity are <br />discussed in the following sections, and are approved in the permit document. <br />Random Sample Locations <br />' Vegetative cover and herbaceous production will be sampled on the reclaimed azeas using 25-meter <br />point-intercept transects that are randomly located and oriented. Sample locations for the point- <br />' intercept transects were generated using a grid system overlain on maps of the reclaimed areas. The <br />random sample locations for the Reclaimed Rangeland and Pastureland areas aze displayed on <br />Figures 1 and 2, respectively. Sampling for cover and production in the reference azeas will proceed <br />' by implementing a stratified random sample. A measuring tape will be placed along the western, <br />length-wide edge of each reference azea. The 25-meter point-intercept transects will be run <br />perpendicular to the baseline tape from randomly determined points of origin along that baseline <br />' tape. Due to the limited size ofthe reference azeas, this methodology is being implemented to ensure <br />that double-sampling resulting from overlapping transects does not occur. Random numbers were <br />generated using the Microsoft Excel 2000 Version 9.0.6926SP-3 random number generator. The <br />' resulting random numbers table established the coordinates for transect origin and compass bearing. <br />Sample locations will be determined in the field by pacing from recognizable landmarks. <br />