Rio Grande Trail
"bicycle"=>"yes","lit"=>"no","network"=>"Additional Trails","piste:difficulty"=>"easy","piste:grooming"=>"classic+skating","piste:type"=>"nordic","surface"=>"asphalt","tiger:cfcc"=>"B11:B16","tiger:county"=>"Pitkin, CO","tiger:name_base"=>"Abandoned Railroad","tiger:reviewed"=>"no"