Laserfiche WebLink
3.1 SIC?:IFICr1:Cr. OF COI,I= CTI':C SI LC :~?~ ,'~.°.E;~S <br />• Iii P_EI.ATI0:1.1C1 l-0h,:;a C:Ur?STY DATA <br />Tne fallowing stations and areas referred to are illustrated on Figure 1. <br />Discussion given below primarily relates to new stations or to changes in inter- <br />pretations of old stations. Amore detziled description oS a:.l stations is <br />included in the previous semi-annual report (nrickson, t5ay 1970 . <br />1`.ine Area <br />Drainage from the sewage treatment plant may influence the r;est branch oS <br />kestmoreland Carycn and Stations SC-~ and -2c. Drainage from the treatment <br />plant has been obser•.~ed flo•r-ing wZthin this area and appears to be related to <br />changing of wen}: shifts, when shoxer rater is used. Y;ater from this source <br />sinks into the ground before reaching the main gulch er.cept xhen other sources of <br />~,:norr tarn- it do•.;n farther. <br />• Presently, Sour sedimentation dams are being constructed on the drainage that <br />w•i11. capture all runoff from the r„ine area. <br />Main (allch Pelos.~ tine Drainage <br />The area near Station SG-3b has been physically changed since the previous <br />report. The for~:er old car dwmp has been mcstly covered xith dirt as the result <br />of housing de~•elopment in the nearby area. During runoff periods sediment loads <br />are like23• to increase in this zone. <br />north Fork <br />Zn order to measure possible effects of the mine on worth Fork rater quality <br />a station t^-!,b xas set up apprm.imately 1~ ~•ards belox the mouth of Stevens <br />/• Culch. Tnis station is within an area considered to be a mv:ing zone composed of <br />Borth Fork, Stevens Gulch, and tinnesota Creek raters. A second station,(N,C-1) <br />3-2 <br />