Ref Los Angeles County Museum of Natural History. Photo of Castelar Street School, now called Castelar Elementary School, before being moved to its current location.

Closeup of Sonoratown area from a panoramic map of Los Angeles by B.W. (Bruce Wellington) Pierce

Closeup of Old Chinatown, Los Angeles Plaza, and Sonoratown areas from a panoramic map of Los Angeles by B.W. (Bruce Wellington) Pierce

View of Sonoratown from Fort Moore Hill looking north down Castelar Street, now Hill Street.

View of Sonoratown from Fort Moore Hill looking north down Castelar Street, now Hill Street.

View of Sonoratown from Fort Moore Hill looking north down Castelar Street, now Hill Street.

View of Sonoratown from Fort Moore Hill looking north down Castelar Street, now Hill Street.

1854 map of land divisions in Sonoratown, now New Chinatown, north of Virgin Street / Calle de las Virgines, now Alpine Street

1875 map of Sonoratown, where New Chinatown now stands. Calle Alta is now Ord Street, Calle de Eternidad is now North Broadway. The Zanja Madre aqueduct runs through the bottom of the image.

1875 map of Sonoratown, where New Chinatown now stands. Calle Alta is now Ord Street, Calle de Eternidad is now North Broadway. The Zanja Madre aqueduct runs through the bottom of the image.