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RN-03 Revegetation Success <br />Page 3 <br />the extended reference area. If this is the case, please revise the wording to confirm. If our <br />understanding is not what was intended, please provide additional explanation to clarify and <br />justify. <br />Response: The text on pages 40-45 covering species diversity success evaluations has been modified <br />to clarify approaches in alternative tests B and D. Area weighted mean reference area species <br />density and area weighted reference area species density standard deviation language is included. <br />Also, reference is made to the appropriate reference areas for reclaimed shrub grassland and mesic <br />drainage. <br />Two copies of the response and updated text have been forwarded to you in Grand Junction and a third <br />copy has been sent to the Denver office. If you or other Division staff has questions or comments, <br />please contact me at (970) 276-5217. <br />Sincerely, <br />Roy A. ro <br />Reclamation Manager <br />Seneca Coal Company <br />enclosure(s) <br />cc: Jennifer Maiolo (BLM) <br />Carl Johnston (OSMRE) <br />Sandra Brown (DRMS-Denver) <br />• <br />Seneca Coal Company • P.O. Box 670 • Hayden, Colorado 81639 <br />Telephone (970) 276-5217 9 FAX (970) 276-5222