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ii- iiiiiiiiniuiii <br />999 <br />SALT CRF>:SC MINING COlIPANY <br />751 HORIZON COURT <br />GRAND JUNCTION, CO. 81506 <br />(303) 292-5120 <br />May 21 ,1986 <br />it <br />G ~4+' <br />Mr. Tom Gillis <br />Colorado Mined Land Reclamation <br />1313 Sherman St.; Room 923 <br />Denver, Colorado 80203 <br />Re: Annual Hydrologic Report <br />Munger and McClane Canyon Mines <br />Dear Tom; <br />JUN 02 1986 <br />..~, <br />,lid t. ,'p,~.: nI HC~L:~~i Ci:S <br />~ni0. ~aP'. n9'+.. _ <br />This report on the mine inflows, discharges and probable <br />hydrologic consequences for the next year is submitted in <br />compliance with the stipulations of Salt Creek's mining and <br />reclamation permits. As you know, there was no mining at either <br />mine during the last year and the conditions and forecasts <br />detailed by Hydro-Geo Consultants in their report of February 18, <br />1985 are generally still applicable. This report gall first <br />discuss the effect of McClane Canyon mine on the .al bedrock <br />aquifer, next discuss the effect of Munger Canyon :ne, and last <br />discuss the elect of both mines on the hydrology ,East Salt <br />Creek.' <br />McCLANE CANYON MINE <br />Mini Historv <br />The mine remains under Division approved Temporary Cessation. <br />There has only been maintenance work done at the mini foc the last <br />year. Maintenance of the mine included such things as surface <br />water controls, underground roof support, pumping wat°: from the <br />mine, and the general upkeep of equipment. A mine wcrkin.gs map <br />showing important hydroligic features is included in this report <br />as Figure 1. <br />Water Inflow ~ Discharge <br />Since there was no mining during the year, no additional ground <br />was opened up to supply additional water to the mine. The inflow <br />of water has decreased to approximately 1.18 gallons per minute <br />based upon the discharge record for the year. A tabulation of the <br />mine water discharges and chemical analysis of those discharges is <br />included as Table 1. Additionally, a tabulation of monthly water <br />balance at each mine is .included as Table 2. <br />It should be noted that even though the water is t ing discharged <br />from the mine there has been no effect on the Ovate quality of <br />1-1,.1~~ ra ~~ <br />d~" <br />., <br />:~. <br />7. <br />~. <br />..~ <br />~Y <br />~_ <br />~' <br />~., <br />k' <br />.~ <br />K~ <br />~i <br />,` <br />`~ <br />