History of Wastewater Multi-Cache
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Difficulty:
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Terrain:
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Size: 
(small)
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A simple two-point multi-cache in the trail system to the north of the Brightwater Wastewater Treatment Plant.
At the posted coordinates, you will find a nice view out over the valley as well as a sign that gives a bit of history about wastewater. All of the information to find the final cache can be decoded from this sign.
Let AB = the number of letters in the name of the sewer from Rome. Let C = the number of ancient toilets in the picture from the town of Ephesus. Let D = the number of places listed in the description where people relieved themselves during the Middle Ages in Europe Let EFGH be the date listed in the picture when Sir John Harington invented the flush toilet. Let IJKL be the date listed in the description when the city of Seattle had a sewer system. The final cache location is at:
N 47 47.[A+C][B+C][A+D] W 122 08.[L-E][J-I-K][F+G+H-E].
Congratulations to FobesMan for FTF!
Additional Hints
(Decrypt)
Fznyy cersbez pbagnvare va gur pebbx bs n zhygv-gehax gerr n fgrc be gjb bss gur genvy.
Treasures
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