Columbia subject headings:
Harvard subject headings:
Conglomerate--Congresses.
Conglomerate.
Geology, Stratigraphic--Congresses
Woodford, Alfred O. (Alfred Oswald), 1890-1990
Princeton subject headings:
Conglomerate--Congresses.
Geology, Stratigraphic--Congresses.
Woodford, Alfred O. (Alfred Oswald), 1890-