The crossword solutions for the term 'LOAD OFF ONE'S MINE?' are ORE, which is a three-letter word. ORE is a naturally occurring solid material from which a metal or valuable mineral can be extracted. It is mined from the earth and is often processed to extract the desired metal or mineral. In this context, the phrase 'load off one's mine' could refer to the process of extracting ORE from a mine, thus taking a load off the mine.