Answer | Crossword Clue |
---|---|
FOUNT | Abundant source |
MINE | Abundant source |
FOUNTAIN | Abundant source |
WELLSPRING | Abundant source |
mined | abundant source |
mines | abundant source |
mine | abundant source |
unmined | abundant source |
COAL | Abundant source of energy |
well | natural or abundant source |
wells | natural or abundant source |
COAL | U.S.'s most abundant energy source |