Forbidden Zone Geocaches
 
   
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  Silverback Cipher  
 
Silverback hunters should be familiar with the “pigpen” or masonic cipher, which is a simple substitution cipher exchanging letters for symbols based on a grid.

This cipher can be used to decrypt directions and secret codewords at FBZ geocaches!

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  · 1: The FBI Vault
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 << SGTF Special Operations
POTAM Otto
Geocaching Reference Number TB1VE43

Worth 60 Points (Create an account to enter TB tracking number and earn points!)

 
POTAM Otto Tracking Bug ImageCurrent GOAL:
Operatives can discover this intelligence (codename OTTO) as part of the final classified Operation Silverback mission. Its discovery is worth 60 points towards an operative's rank on this Web site!

About this item:
Its true whereabouts are unknown, but most suspect this TOP SECRET project coin is maintained in an undisclosed location in the mountains of Southern California.

Please do not remove this resident geocoin from its current location. It is meant for discovery only!
 
   
     

Operatives who have logged this TB...

  • Honorable Discharge CONDORMAN
  •  (Mon 22 Mar 2010 @ 19:58:58 PDT; 1269313138 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge FLAGMAN
  •  (Thu 25 Mar 2010 @ 14:35:55 PDT; 1269552955 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge THEJJDUO
  •  (Sat 27 Mar 2010 @ 17:14:13 PDT; 1269735253 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge MIKE6X6
  •  (Fri 30 Apr 2010 @ 16:34:50 PDT; 1272670490 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge BLONDHILITES
  •  (Mon 13 Jun 2011 @ 7:43:54 PDT; 1307976234 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • General DILLWEED
  •  (Mon 13 Jun 2011 @ 9:19:34 PDT; 1307981974 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • General FISNJACK
  •  (Mon 13 Jun 2011 @ 10:15:43 PDT; 1307985343 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Green Beret BKIP
  •  (Mon 13 Jun 2011 @ 19:11:02 PDT; 1308017462 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • General RAGFOOT
  •  (Mon 13 Jun 2011 @ 20:36:56 PDT; 1308022616 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Green Beret STANSD
  •  (Sat 10 Mar 2012 @ 21:30:40 PST; 1331443840 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
   

 
   Operation Silverback Prize Ring SILVERBACK Prize Rings

Those who create an account on fbz.geocaches.org and enter mission codewords and POTAM tracking bug numbers receive points towards an Operative ranking. Operatives who achieve the rank of General (700 points) are eligible to receive an official silver Operation Silverback GC.com trackable ring from Oakcoins. Gold rings are available for those who reach the rank of Green Beret (or higher).