Romania oil pipes at Constanta on the black sea .March, 21, 1939.
Petroleum factory in Romania in 1935.
Romanian oil fields looking across the oil refining town of Campina.
In the background are the foothills of the Carpathians and oil storage tanks.
June, 18, 1940. Photo by Kosmos Press Bureau Australasia
One of the huge petroleum tanks from the Romanian oil region
October, 27, 1935
Pump on an oil field in Romania around 1930