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3 <br />VIe for non-irrigated crops. The definition of the VIe class was provided above. Ne soils aze <br />defined by the NRCS as, "soils [having] very severe limitations that reduce the choice of plants, or <br />that require very careful management, or both" due primarily to erosion potential. The range of <br />capability classifications for the soils at the mine should be addressed. <br />3.3.2 Revegetation Techniques- page 17. "Eligible areas are fully sampled in years nine and <br />ten prior to Foal bond release." To be correct this statement should be; "Prior to final bond <br />release, eligible areas are sampled in the last two consecutive growing seasons prior to bond <br />release, but not earlier than years nine and ten of the extended liability period." <br />Section B, XV. Rule 4.15 Revegetation- page 28. With its statements; "two introduced species <br />in the reclamation seed mia." and "sideoats grams and yellow Indiangrass were introduced.", <br />the Division appears to be contending that sideoats grams and yellow Indiangrass are introduced <br />species. sideoats grams and yellow Indiangrass are not introduced species, they are both native to <br />the western United States and the eastern plains of Colorado (Walser C.H. 1982. "Ecology and <br />Culture of Selected Species Useful in Revegetating Disturbed Lands in the West", U.S. Dept. of <br />Interior, Fish and Wildlife Service, FWS/OBS-82/56). As these species are native, no approval for <br />their use in the reclamation seed mix is necessary. This paragraph should be removed. <br />CDMG also alludes to more than one reference area in paragraphs D, E, and F of this section. <br />There is only one reference area which is used at the Keenesburg Mine, the Osgood Sand <br />Reference Area, which is specifically discussed relative to revegetation success criteria on pages <br />114d and 1 14e of the Permit document. <br />In paragraph D, the Division indicates that revegetation success criteria for the Keenesburg Mine <br />are found in Rules 4.15.8, 4.15.9, or 4.15.10. The performance standards for revegetation success <br />applicable to the Keenesburg Mine aze found only in Rule 4.15.8, since Rule 4.15.9 addresses <br />standards for cropland (of which the Keenesburg Mine has none) and Rule 4.15.10 speaks to <br />standards for previously mined lands (of which the Keenesburg Mine has none). <br />Page 29, Section B, X VII. Rule 4.17 Air Resource Protection. "The permit includes CDPHE <br />Permit 88WE031..." By copy of correspondence dated November 26, 1996, the Division was <br />appraised of CEC's request to the Colorado Department of Public Health and Environment <br />(CDPHE) for cancellation of Air Permit 88WE031. Then, by copy of letter received from CDPHE <br />(Mr. Jce Molloy) dated December 16, 1996, the Division was notified of CDPHE's cancellation of <br />this Permit, and redesignation of acitvities [o "APEN Required" status. and, "The permit <br />currently retains C-84WE294P, October 11, 1984 (added a portable crusher) and 12,438 <br />(FD) (actually 12WE438F), issued May 13,1982 which applied to surface coal mining and the <br />coal processing plant with all associated equipment." Copies of correspondence between CEC <br />and CDPHE dated July 9, 1996 and April 24, 1997 are attached for your reference (though it is <br />believed the Division was supplied copies as events unfolded). The first letter was a request to <br />CDPHE to consider termination of the two permits since the activities covered by them are no <br />longer occurring. The follow-up letter from CDPHE was an acknowledgment of CEC's request <br />and cancellation of the two permits. With this information for the CDMG files CEC believes that <br />it is appropriate to remove both permits from any "active" reference within the context of the <br />Permit. <br />