USGA Rules: Marking Your Ball with a Tee on the Green

Question
On the green, can  I mark my ball with a tee (instead of flat object) if it's not in line with another golfers putt?

Answer
Jon,

This what is preferred from the USGA web site.

Note: The position of a ball to be lifted should be marked by placing a ball-marker, a small coin or other similar object immediately behind the ball. If the ball-marker interferes with the play, stance or stroke of another player, it should be placed one or more clubhead-lengths to one side.

Probably couldn't use the tee in a formal competition, but in casual play I feel it's ok. I've done it in the past when I've forgotten to bring along a coin.

Michael Hoffman