"design"=>"barrel","ref"=>"21A","structure"=>"tubular","tower:type"=>"anchor"
"design"=>"barrel","ref"=>"26A","structure"=>"tubular","tower:type"=>"anchor"
"design"=>"barrel","ref"=>"13A","structure"=>"tubular","tower:type"=>"anchor"
"design"=>"portal","location:transition"=>"yes","ref"=>"1","tower:type"=>"termination"