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• <br />'~,r:i~,M`• ~ 'A c, „ ~ '~ ~,. .%-t li'tTa1718~ k r° w~ c:,.~ ~ t ~~ ;a.'+' ' r ':. P . <br />a~9 ~~,.~ e~~-~~„4r v'&.~s.x*~ }} ~ailon,,~8 edtMixf~ure~~"«,~-~ fix.`+1'~~.s,.~°-.~'.iX' <br />.rR.~' .-?~~`~~~.,~~e'd~~ey.~lAlternate'iS~pecies-o ions ~~.~ys~~~ ~~, <br />^-,; ~';,, ~ „~ "~ ~ ,.'~ ' ~"'~sc`~? Oxbow C bon $`>'Nlinerals Inc: .tom '~'' Y.a'i~ r~ 4/n+t~ ~ 4 <br />"aF '~t5..~ t f'.H +r xra~?~"~,i/ "~3FSm ='~r~ M. ~`'. '1' <.- s <br />-.t~~.. :~ ,~ -:,~.~'x~.Someraetkand:San ornSCreek.'.Mmes s° 4:..'~,ti Y3'' +?:.:..`~~ e` <br />Grasses ...~ ~ ~ Seed Rate~PL$iClacre ~ - <br />Broadcast ~ ~ _ <br />Sandber blue rass IPoa sandber iil 0.10 <br />Bi blue rass (Poa am /a/ 0.20 <br />Needle and thread /Sti a comata/ 2.00 <br />Green needle rass /Sti a viridu/al 1.20 <br />Forbs <br />Yarrow (Achellea mille/oliuml 0.10 <br />Prairie sa a Artemesia ludoviciana 0.10 <br />Shrubs <br />Wood's rose (Rosa woodsiil 4.00 <br />Sa ebrush Artemisia tridentata-vaciana 0.10 <br />2.6 IRRIGATION AND FERTILIZATION (CONY) <br />Dr. Ed Redente at Colorado State University and Dr. Terry McLendon at the University of Texas at <br />E] Paso have condutted reseazch in the past seven years in Colorado, Utah, Wyoming, Texas, and <br />New Mexico on limiting nitrogen to assist in accelerating secondary native plant succession and <br />recovery. Their work has shown that if native plant establishment and the reduction of weeds is the <br />goal then available soil nitrogen must be limited in the soil Their recommendation for establishing <br />native planu from shrubs to grasses to grasses to forbs is to forgo the application of supplemental <br />nitrogen, and in cases where weed are a major or potential problem, tie-up the available soil nitrogen <br />with an available cazbon source such as sugaz. <br />OMI, therefore, proposes to eliminate the additional of supplemental nitrogen and will apply 57 lbs <br />per acre of Tripple Super Phosphate (PzO:) to be incorporated to a depth of 1-2 inches by mechanical <br />means. This incorporation of the phosphate in the upper 2 inches of the plant growth medium will <br />assist with the establishment and the growth of the germinating natives during the critical eazly <br />development phases (rates and depth of application derived form Dr. Ed Redente, Range Science <br />Department, College of Natural Resources, Colorado State University, Ft. Collins, Colorado, <br />9/26/96). <br />2.7 CONTROL OF WEEDS <br />This weed control plan is concerned with the control of all varieties of thistle and weeds on the mine <br />site. Weed control will be accomplished by spot spraying thistles and/or weed with an industrial <br />herbicide. Spraying will be done by use of a portable spray system Amine 2,4-D and Banve1720 are <br />two water soluble industrial herbicides which have been recommended by the Delta County <br />Ekzension Service for use to control all types of thistle and weeds. <br />The herbicides will not be applied when spray particles maybe tamed by air currenu to areas where <br />desirable planu are growing. Herbicide containers will be triple rinsed and the rinse water will be <br />sprayed on an established gravel roadway. All label recommendations will be followed. Application <br />rates and procedures maybe modified according to the label recommendations. <br />The operator will keep on file, for inspection by the Division, records of its weed control activities. <br />The weed convol records will document the location where weed control was performed, the type of <br />weed control employed, and the date when the weed control was performed. As part of iu annual <br />reclamation report required under Rule 2.04.13, the Operator will summatve to weed control <br />activities for the yeaz. <br />PR04 H 6 Revised May 2001 <br />