In the 1920s the Los Angeles region became the predominant oil producing area of California.

Question

Quizplus · Accepted Answer

The Los Angeles region did become the predominant oil producing area of California in the 1920s, with the discovery of the Signal Hill oil field in 1921 and the development of offshore drilling technology. This resulted in a massive increase in production, making California one of the top oil-producing states in the country.

In the 1920s the Los Angeles Region Became the Predominant