The term COAL LOCALE is a crossword solution that consists of two words: SEAM (4 letters) and COAL (4 letters). A SEAM is a layer of COAL that is mined from the ground, and a COAL locale is a place where COAL is found. COAL is a combustible black or brownish-black sedimentary rock that is composed mainly of carbon and hydrocarbons. It is used as a fuel source for electricity generation, steel production, and other industrial processes.