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Amazon.com : Silva Compass Navigation - Expedition 4 - Scale 1:25k 1:40k 1:50k mm & inches - Navigation Compass for Advanced Users and Rescue Professionals - Rotatable Compass housing - Compass Hiking : Sports & Outdoors
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Silva Explorer Pro Compass with DryFlex Grip for Easy Handling and Magnifying Lens for Precision Map Work - Compass with Lanyard |Boy Scouts of America
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