Theory and Practice Virtual Cache
This cache has been locked, but it is available for viewing.
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Difficulty:
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Terrain:
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Size: 
(other)
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Think you know everything there is to know about your GPS? Visit this semi-virtual cache and find "623.893 H57 2001". The cache is a bookmark shaped logbook sitting on page 71.
This cache is located inside a public building whose hours are:
Mon-Thu 10:00am-8:00pm, Fri-Sat 10:00am-5:00pm, Sun 1:30pm-5:00pm
This is strictly a "find and sign" geocache. Do not bring items, as this cache only consists of a log-in sheet. It is an excellent place to bring inquisitive kids or well-read adults.
Please be discrete when signing and replacing the cache. Please make sure to replace the cache in the exact same place as you found it.
Don't forget: Sign the bookmark, not the book!
Additional Hints
(Decrypt)
Ubsznaa-Jryyraubs rg ny. Svsgu rqvgvba, Uneqpbire.