Salt Lake City's state (4)
I believe the answer is:
utah
'salt lake city's state' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for utah that I've seen before include "A hut for the Mormons, oddly" , "State of the union" , "Great Salt Lake state" , "American location" , "America's Mormon state" .)