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box in, bag out

A principle of letterboxing aimed at helping to maintain the natural environment in which letterboxing takes place. It's a good habit to carry a trash bag with you as you letterbox, in order to pick up any trash you find along the way. If all letterboxes would practice "Box in, bag out," it would have a significant impact on the outdoors. See Leave No Trace.


 

 

 

 

 

 

 

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