MOVIES THAT RAIDED THIS FILM FOR ITS EFFECTS;

Off the top of my head;

TARZAN'S DESERT MYSTERY (1943)
TWO LOST WORLDS -1950
JUNGLE MANHUNT -1951
THE LOST CONTINENT - 1951 (Earthquake footage . not dinosaurs)
ROBOT MONSTER -1953
KILLERS FROM SPACE 1954
VALLEY OF THE DRAGONS 1961
TEENAGE CAVEMAN

I know there are more examples, can you submit a few?