and continue discussion from last week for the one-hundred forty-seventh edition of the GeoGearHeads. This the emails from , , , , and were tackled in this episode. Thank you to all the wonderful GeoGearHeads for their submissions! Congratulations to for submitting the winning response for this week's question. Thanks to for their donation of this week's gift! The live video session from this Google+ Hangout On Air can be found on .

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