The city of Brea started as a village for oil field workers, at the peak of the Black Gold (petrol) rush, but when the oil boom became the oil bust, Brea became a citrus producer with orange and lemon fields instead of drilling fields.
Fun Fact: Did you know that the first significant oil well in California, the Pico No. 4, was discovered in 1876, long before the boom in Brea? This discovery marked the beginning of California's oil industry, which would later lead to the development of towns like Brea.
The transition from oil fields to citrus orchards in Brea is a classic example of how communities evolve with changing economic landscapes. The citrus industry played a significant role in Brea's economy until the mid-20th century.
You can still see some oil drills on the hills above Brea, but they are dwindling.