If you want to make it even more challenging (though it doesn't seem like you do), you can go without dowsing. I'm pretty sure it's 100% optional throughout the game. I don't think anyone does that part super quickly, but an hour is a longer than usual.
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Yoblazer: http://i44.tinypic.com/5nw45i.jpg
Watch and you'll see... someday I'll be... part of your world!