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G <br />III IIIIIIIIIIIII III <br />June 4, 1987 <br />PILR13 ~~~~'~ `' ~+ <br />4'23 Centennial Uld. JUN ?21987 <br />1313 Sherman St. + <br />Denver, Colo. , 80203 MINED LAPdD <br />(-fECLAMA?"!ON CIV!SI(~N <br />RL;: Annual Report for 1986 for Crassy Gap Mine, Routt County, Colo. <br />Mine is not in production and shut down. <br />Please note Technical Revision No. 2, Grassy Cap Hydrology Monitoring <br />Reduction, File No. C-81-039, August, 1986 <br />Wells MW-1 and hIW-2 were plugged in accordance with rule 4.07 on September <br />5. 1986. <br />On October 2 ,986 an annual survey was conducted which showed no new seeps <br />or springs. <br />Culvert inlets,outlets and ditches were cleaned and repaired in the tall. <br />On htay 5, 1986 one sample was taken and analysed from Pit 5 discharge and <br />one from Pit 5 clean water ditch. Also samples from Pit 5 and 6 discharge <br />were taken and analysed on July 29 and October 2, 1986. Results are attached. <br />Pi-eld data and appropriate samples were collected on January 15,1986. The <br />mine received permission to cease sample collection when the sites were in- <br />accessible in the winter. Sampling was reswned on June 3 and July 9. The <br />mine then went on twice-ayear samp.ling(see Tech Rev No. 2 above). Samples <br />and field data were collected on September 5 and October 2. Field data is <br />tabulated and attached along with the lab reports for all samples. <br />Report prepared for Grassy Cap Mine rly: All~an,CD-Mille[[r~~, <br />~~~~ C- <br />Consulting Geologist <br />box 249 <br />Steamboat Springs <br />Colorado <br />80477 <br />879-0437 <br />