But it got its own back when oil was discovered in 1929.

After spending $30 million over four years, oil was discovered there.

This lasted until in the late 1930s, when oil was discovered.

In the 1920s oil was discovered on some of his property which made them wealthy.

Eventually oil was discovered under much of this cattle country.

Then the white man discovered oil, and it was on the Indian lands.

Since oil was discovered, the state's economy has reflected the state of the petroleum industry.

Then oil was discovered, and black workers flocked to the community.

The town originates from May 23, 1923, when oil was discovered.

When oil was discovered on property owned by Field they became wealthy.