Forbidden Zone Geocaches - FBZ A.P.E. 57



		FBZ Missions

	· Stone of the Lost Valley · The Bunkers · Mission Gorge · Rock River Burial Mound · Supernatural Supernova · Little Green Men · The Forbidden Zone · The Doomsday Bomb · The Monkey's Triangle · Warlock Mine



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Journal Entries

· The Fool in the Rain [8/25/25]
· Reporting for Duty [2/24/25]
· Introduction [3/29/23]

[ More in Journal Section ]



		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!



		External Links

	· 1: The CIA Vault · 2: The FBI Vault · 3: Project Blue Book · 4: Aliens the Truth · 5: The Black Vault



	The Forbidden Zone FBZ A.P.E. 57 - GC210M6 Operatives must submit all six (6) FBZ codewords in order to see the final mission coordinates! Operatives who have successfully submitted the TOP SECRET codeword for this mission... Zero (0) personnel as of 04/18/26 @ 1:30 PM FBZ A.P.E. 57 contains a large ammo can with Special Reconnaissance (SR) related to SGTF's Operation Silverback in the form of Planet of the Apes Memorabilia (POTAM) and scouted intelligence reports. As a clandestine special tactics unit, SGTF has been known to leave POTAM tracking bugs in their FBZs with special mission instructions related to active Project A.P.E. caches (e.g. Project A.P.E. Mission 9: Tunnel of Light). FBZs are reserved for POTAM related to SGTF's Silverback operations. Visitors are encouraged to register their visit and leave ONLY items containing relevance to The Planet of the Apes or items that are traditional hitchhikers (e.g. geocoins, travel bugs, etc.). Only place and/or remove TRACKABLE items from this cache (read NO unrelated SWAG); Any POTAM found in this cache designated as NOT TRACKABLE is pertinent to operations for this FBZ and should REMAIN ASSIGNED TO THE CACHE. POTAM labeled PROVISIONAL FTF is considered remittance as reward for the FTF (First to Find) and can be removed freely without restriction or stipulation. Consider checking out an interesting little tourist attraction called Desert View Tower when visiting this area. It is literally right up the street from where you park to access the cache. Copyright © by Forbidden Zone Geocaches All Right Reserved. Published on: 2009-01-19 (8004 reads) [ Go Back ]


	*Disclaimer: Stories here and at FBZ caches are a combination of historical conjecture, anecdote and pure fiction. Any similarity to any event, group, or person living or dead is merely coincidental. Additionally, SGTF has utilized a variety of signs/stickers as props in the FBZ geocaching series. Labels or warnings (e.g. biohazard, radioactive, etc.) which are fictitious will display some form of the SGTF/Silverback moniker; all other warning signage encountered during this or any other FBZ adventure should be respected and observed as posted. Page Gen: 0.033 Seconds				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).