Columbia subject headings:
Angara River Valley (Russia)--Antiquities.
Iron age--Russia (Federation)--Angara River Valley.
Mesolithic period--Russia (Federation)--Angara River Valley.
Paleolithic period--Russia (Federation)--Angara River Valley.
Petroglyphs--Russia (Federation)--Angara River Valley.
Harvard subject headings:
Angara River Valley (Russia)--Antiquities.
Excavations (Archaeology)--Russia (Federation)--Angara River Valley.
Iron age--Russia (Federation)--Angara River Valley.
Mesolithic period--Russia (Federation)--Angara River Valley.
Paleolithic period--Russia (Federation)--Angara River Valley.
Petroglyphs--Russia (Federation)--Angara River Valley.
Princeton subject headings:
Angara River Valley (Russia)--Antiquities.
Iron age--Russia (Federation)--Angara River Valley.
Mesolithic period--Russia (Federation)--Angara River Valley.
Paleolithic period--Russia (Federation)--Angara River Valley.
Petroglyphs--Russia (Federation)--Angara River Valley.