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<br /> <br />. . .not by in~urancCt hut by vegetation! <br />Vegetation protects the soil from <br />erosion hy rain, runoff and wind. <br />Vegetation increases filtration of <br />water rhrough soils and holds soils in <br />place on slopes anJ along streams. <br /> <br />HOW FERTILE IS <br />YOUR SOIL? <br /> <br />You'll need a soillesl to find ou!. <br />COlllacl your local Natural Resources <br />Conservation Service or Coloradll <br />State UniversilY Cooreralive <br />Extension office to find Ollt ho\\' to <br />rake a soil sample and wherc to send <br />the sample for rcsting. <br /> <br />A~Jt'e: The \\?esrenl Star .\tint.', Delta Counl)'. <br />(COltrt~s) Dil'is;cm of .\finl'Ta1s & GeotolOJ. <br />Bdo1C Emmnu 10 Deel) Crt.'ek Cah.'S. <br />Garfaeld Count)'. (CVUT(t.'S) CoblT'ado NawraJ <br />Art.'a.~ rro~am), (MOrl'CTdns. btk:kc01'(.>r) <br /> <br />3. Is your huilding sire on a ,lore o( <br />n",re than 7-10%1 <br /> <br />If the answer i, yes: COl15ulr a geotech- <br />nical engineer for a ,Iope-,wbility '!lIdy <br />before you build. <br /> <br />4. Is your huilJing sire on or near <br />ahanJonl'd coal mine workings or in <br />a historic Illl'ral mininl! area? <br /> <br />If your site is on or near an abandoned <br />coal mine, a Reoccchnical (~l.1.rjneer <br />should conduct a subsidence int'esri.~a~ <br />tion. If you are building in a hiswric <br />metal mining di"rict, you ,hould haw <br />an el1t'iromnenral audit dane to ct'aluQre <br />mine waste nuuerial on your site and the <br />extent of undergrUl4lul mine u'orkings. <br />(If yo,. hat'e a Julzardo,., mine o[>ening <br />011 YOl" lana. COntacl the Inactit'C Mine <br />Reclamation Program of the Dit'ision of <br />Minerals and Geology.) <br /> <br />For more anSU'(7S: lvian)' n4ral subditrj~ <br />';Ol15 hal'e geological hazard ret'iew, on <br />file in the local planning or zoning office. <br />Infonnation on ,pecific I>mbbm i, also <br />amilable frmn the Colorado Geok>l,'ical <br />Sun ey, the Colorado Di..i,ion of <br />.'vlinerals ana GeokJgy and the <br />En\'ironmenral Proccction Ag-eney. <br /> <br />Abcx'f': Cnu.'king ('(Iltsed lry <br />shrinklJ1~sut'Uing soiLs. <br />(C(JUTrL'S)' Naruml Resources <br />Consl'T1'mifm s..'T\1cd. <br /> <br />I- <br />e <br /> <br />'4 <br /> <br />.. <br />SOILS AND liVING <br />THINGS <br /> <br />The kinds of ,oils yo,. hat'C.uil/ affea: <br /> <br />A What tyre A How much <br /> and how (ertilizer is <br /> tnuch grass or needtod <br /> crops YOllr <br /> land can A I( your soil is <br /> rroduce subject to 't~ <br /> deep percola- <br />A How ljuickly tion con~ .' <br /> wafer moves st~inlS <br /> lhrough lhe 'f <br /> soil AAWhether y' <br />A l(the soil "1m;; a. sali~i~'; 1 <br /> .!y 0~7Jen~ .... <br /> will filter urn proOle . <br /> animal and <br /> human for infomuition ."-,,, <br /> wastes before abOut your land', ~ <br /> they reach ' - <br /> soil. refer to your <br /> the ground- county/~oil sun'e,; <br /> water avai~1e fram <br /> '~. ygur lOi!lIlNarnralu ~ <br />A How often you .. Resourc~ ~, ~. <br /> need to water canfentation .:. l <br /> .,. <br /> Ser.':!Fe office. <br /> ,. <br />