If you migrate it you can copy and paste in into any level…once migrated open the map that has the landscape you want in it…select the landscape and Ctrl+C it…it will through a warning about large number being copied to clipboard yadda yadda click yes you are sure…now open the level you want the landscape in and Ctrl+V it into the level…tadda copied and pasted…give it a try it should work just like that