Crossword Puzzle Spring chickens, perhaps

Clue: Spring chickens, perhaps

Unlike spring chickens (OLD with 3 letters)
Legendary spring that creates spring chickens? (FOUNTAINOFYOUTH with 15 letters)
Irish Spring alternative (ZEST with 4 letters)
Spring hunter's quarry (EASTEREGG with 9 letters)
Springfield or Enfield (RIFLE with 5 letters)
Of a spring period (LENTEN with 6 letters)
___ Springs, Fla. (ALTAMONTE with 9 letters)
Spring stick (POGO with 4 letters)
Bruce Springsteen's nickname, with "The" (BOSS with 4 letters)
Silent-spring causers (DDTS with 4 letters)