Columbia subject headings:
Geology--Utah.
Monuments--Utah.
Parks--Utah.
Harvard subject headings:
Geology--Utah
Geology--Utah--Congresses.
Monuments--Utah
Monuments--Utah--Congresses.
Parks--Utah
Parks--Utah--Congresses.
Princeton subject headings:
Geology--Utah--Congresses.
Monuments--Utah--Congresses.
Parks--Utah--Congresses.