But at the time of Commander Robert Moresby 's survey of the Chagos , in 1838 , this island was populated only occasionally .
There was once a coconut plantation in Ile Aigle , as well as a small settlement of Chagossian plantation workers .
At the time of Commander Robert Moresby 's survey of the Chagos , in 1838 , this island was populated only occasionally .
There was once a coconut plantation in Ile Aigle , as well as a small settlement of Chagossian plantation workers .