Assertion: grassland's area | /r/AtLocation | volgograd oblast
Facets:
value: in stavropol kray
type: LOCATION
value: to occur in russia
type: TEMPORAL
Source sentences:
text: Larger areas used to occur in Russia in the Salsk and Primanchy steppe in Rostov Oblast [region], in Volgograd Oblast and in Stavropol Kray.