Through much of the 20th century, oil derricks towered over homes, schools, golf courses, and even orange groves across the Los Angeles Basin, once among the nation’s top-oil producing regions. Beginning in 1892, when Edward L. Doheny and his associates opened the region’s first free-flowing well, each new strike would quickly attract a cluster of the wooden structures, which supported the drills that bored deep into the Southland’s sedimentary strata.

— When Oil Derricks Ruled the L.A. Landscape, Nathan Masters in Lost L.A.