Columbia subject headings:
Harvard subject headings:
Geology, Stratigraphic--Miocene--Congresses.
Geology--Idaho--Clarkia Region--Congresses.
Paleontology--Idaho--Clarkia Region--Congresses.
Paleontology--Miocene--Congresses.
Princeton subject headings:
Geology, Stratigraphic--Miocene--Congresses.
Geology--Idaho--Clarkie Region--Congresses.
Paleontology--Idaho--Clarkia Region--Congresses.
Paleontology--Miocene--Congresses.