noun: crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
noun: nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru
Length: 7 letters
Scrabble value: 14
Words with Friends value: 16
Literati value: 8
TWL (USA): Found
SOWPODS (UK): Found
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