Regirock-15th floor of Buried Relic, Regice-25th floor of Buried Relic, Registeel-35th floor of Buried Relic.
Meteor cave
you can find in soler cave b7f :)
in the solar cave
the first
you can't clone in red rescue team
Silver trench 99f
delon vudas tarca
frosty forest
nowhere... sorry dude
How i do to hold item in Pokemon red rescue team
try the groudon dungeon or joy tower
in the sky tower