Laserfiche WebLink
Table 4.6-1 a. Aerial estimate of elk numbers prior to mining (1973-1976) and during active mining and reclamation (1982-1987) at Trapper <br />Mine in Northwest Colorado. <br />Before Mining x use During Mining and Reclamation x use <br />Month 1973-74 1974-75 1975-76 by month 1982-83 1983-84 1984-85 1985-86 1986-87 by month <br />Dec 29 164 41 78 539 617 219 356 450(1) 437 <br />Jan 97 519 248 288 313 187 298 284 208(2) 258 <br />Feb 64 150 55 90 231 141 256 629 242(3) 300 <br />Mar 135 142 118 132 367 115 320 546 180(4) 306 <br />Apr 328 320 260 349 255(5) 303 <br />May 140 388 82 - 204 <br />Mean for 4-month 82 244 116 148 363 265 273 <br />winter period, <br />Dec-Mar <br />(1) Observations on reclaim areas (<1/3 area) account for 66% of animals sighted. <br />(2) Observations on reclaim areas (<1/3 area) account for 46% of animals sighted. <br />(3) Observations on reclaim areas (<1/3 area) account for 35% of animals sighted. <br />(4) Observations on reclaim areas (<1/3 area) account for 57% of animals sighted. <br />(5) Observations on reclaim areas (<1/3 area) account for 63% of animals sighted. <br />(6) Observations on reclaim areas (<1/3 area) account for 56% of animals sighted. <br />BDN/jb <br />t . p <br />z Z <br />c <br />t <br />454 270(6) 325