Above the gray land and the spasms of bleak dust
from F. Scott Fitzgerald – The Great Gatsby (Chapter II) on Rap Genius
Meaning
The word “gray” describes the ash that covers the valley due to the industrialization.

Spasms is a word often associated with the thought of seizing or death, therefore the use of it in this passage shows how sad and lifeless the region seems to be as a result of the industrialization.
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