[HossC]

Originally Posted by Chuckaluck

Originally Posted by Tourmaline

Also, what are the tall shadowy structures in the background? Manufacturing? Refining? Hampton Court?

Originally Posted by AlvaroLegido

It is Marchessault (looking East) and Alameda. The slope is still there.
The shadowy structures have to be refining beyond Lyon Street.

You can see some of the industrial structures near the word "Boundary" in this picture posted by MichaelRyerson:

Originally Posted by MichaelRyerson

Site of new Union Terminal, bounded by Macy, Lyon, Aliso & Los Angeles St., 1934

Here's a better view of them taken after the completion of Union Station


Detail of picture at USC Digital Library

The full picture shows the Aliso Street viaduct under construction, so it must have been taken in the early 1940s. There's more on the construction of the Aliso Street viaduct in post #18016.