Smartphones with digital maps are useful tools, even in the wilderness, but they may not be as reliable as the tools humans have used for centuries. The Cuyahoga Valley National Park will be offering ...
* [Discovering Orienteering: Skills, Techniques and Activities](https://www.google.com/books/edition/Discovering\_Orienteering/zTNO3OpiUHMC?hl=en) by Ferguson and ...
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