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r r <br />UTAH INTERNATIONAL INC. <br />BOX 187 - CRAIG, COLORADO 81625 <br />303-824-4401 <br />Ms. Carol Pahlke <br />Colorado Mined Land Reclamation Division <br />423 Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />Dear Carol: <br />May 30, 1~9.80v,,,..,e-aq r,-•+-.. <br />_~~~:~ J <br />~ ~~' IJUI~ <br /> <br />This Letter is to confirm our phone conversation on the 19th of May. We <br />discussed several items, but of primary interest was the size of permanent <br />reference sites. As I indicated to you, we intend to construct three, one acre <br />reference sites for each major vegetation type. It is my understanding from our <br />phone conversation that based on Lnformation provided you, you felt the above <br />structures would be sufficient. <br />I am providing some additional information on the areas selected as perman- <br />ent reference sites. As stated in our phone conversation, we will be sampling <br />two main vegetative types, mountain shrub and big sagebrush-grass communities. <br />Permanent reference sites have been chosen such that three different aspects are <br />represented - north, west, and east slopes. No south slopes of any extent exist <br />within the area to be disturbed, All areas will be Fenced [o preclude livestock <br />use until sampled, After sampling is complete, major portions of [he fencing <br />will be removed to allow livestock use. Please recall that we intend to estab- <br />lish a relationship between permanent reference sites and pre-mine reference <br />sites via a regression equation. This concept has been discussed before with <br />many of you a[ the Division as well as the OSM so I will refrain from going into <br />detail. <br />Carol, if you have any further comments on [his issue or if I have misin- <br />terpreted our phone conversation, please feel free to call. <br />Best regards, <br />H. Aruce Humphri8s <br />Environmental Engineer <br />HBH:jsb <br />cc: R.C. Diederich <br />W,E. Sowards <br />Files <br />Ili I ~ ~' <br />