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Final Compensatory Mitigation and Monitoring Plan—Version 2.0 <br />Climax Mine Overburden Storage Facility Expansion (SPK-2013-00045) <br />March 2017 Bikis Water Consultants, a division of SGM Page 4 <br />more detail in this Plan, use of this site has a very high likelihood of success. Figure 1 shows <br />the locations of the overburden expansion in McNulty Gulch and the Lake Irwin mitigation site. <br />The mitigation included in this Plan will be provided using a phased approach that corresponds <br />with the timing of wetland impacts from OSF expansion. While this Plan is based on meeting all <br />the mitigation requirements with on-site mitigation at the Lake Irwin site, it is possible that credits <br />from the CRCR or the ILF Program at Camp Hale could be used for mitigation in the future. If <br />this is the case, then Climax would submit a request to modify the mitigation plan. <br />3.0 OBJECTIVES <br />The objectives of this Plan were developed following the requirements provided in the 2015 <br />Guidelines. These objectives as they relate to the proposed Plan are to: <br />1. Provide a functional gain in wetlands from the mitigation compared to the impacted <br />wetlands. <br />2. Provide mitigation within the same watershed in which the wetland impacts occur. <br />3. Provide types of mitigation geared to replace the loss of aquatic resources. <br />4. Design the mitigation to be self-sustaining and not require routine operation and <br />maintenance. <br />5. Make sure the mitigation ratio reflects the type(s) of mitigation and associated likelihood <br />of success. <br />6. Consider any temporal losses of wetland functions. <br />7. Account for any indirect impacts with the mitigation. <br />The compensatory mitigation described in this Plan will establish 36.312 acres of diverse <br />wetlands and aquatic resources, including mostly willow scrub-shrub wetland, and also <br />emergent wetland, shallow aquatic habitat, and perennial channel to compensate for 16.48 <br />acres of wetlands and other waters impacted by the OSF expansion. This represents a ratio of <br />2.2:1 (mitigation to impacts).