Columbia subject headings:
Altai Mountains Region--Antiquities.
Petroglyphs--Altai Mountains Region.
Prehistoric peoples--Altai Mountains Region.
Soviet Union--Antiquities.
Harvard subject headings:
Princeton subject headings:
Altai Mountains region--Antiquities.
Petroglyphs--Altai Mountains region.
Prehistoric peoples--Altai Mountains region.
Soviet Union--Antiquities.