Louisiana's Green, Gold and Purple Festival
This page is the CodyCross answer for the clue below from Underground Worlds, Group 2170, Puzzle 4 (Phosphate Layers).
Question is: Louisiana's Green, Gold and Purple Festival
and the answer is: MARDIGRAS
Word Meaning:
MARDI GRAS — Alternative letter-case form of Mardi Gras.
Definitions from Wiktionary.