Help required tracing an industry - Los Angeles

[jonte]

Hi

Does anybody know what type of industry is to the left of the following picture (adjacent to the pile(s) of earth/sand)?

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Are there pictures of any similar industries elsewhere on the forum?

Perhaps somebody knows where this was taken and even if it's still extant (think it may be in an area to the north of North Santa Fe Avenue) ?

All suggestions gratefully received.

Best wishes,

Jonte