list in same frame:X,C

Europe
   Alps
     elevation table
     map
     Austria
       alphabetic table X
     France
       alphabetic table X
     Germany
        alphabetic table X
      Italy
        alphabetic table X
     Switzerland
         alphabetic table X
   Pyrenees
     map
     France
       alphabetic table
    Spain
       alphabetic table
    Other Areas
       France - Corsica

North America
    Canada
      Alberta X
        map
    USA
      California X
        map
      Colorado
        alpha. table-passes C
        alpha. table-unrecognized C
        elevation table-pvd
        elevation table-unp
        approach heights-pvd
        approach heights-unp
        subareas
        map
      New Mexico
        alpha. table passes+s(u) X
        elevation table-pvd
        elevation table-unp
        approach heights-pvd
        approach heights-unp
        map
      Nevada X
        map
      Oregon X
        map
      Utah
        alpha table C
        elevation table-pvd
        elevation table-unp
        approach heights-pvd
        approach heights-unp
        map
      Washington X
        alpha table
        elevation table-pvd
        elevation table-unp
        map
      Wyoming X
        map