To find the KEY for this cache you will need to be 'optimistic', and not vertically challenged - yes, my blood group is B rh +ve 
Once the micro container is found of WP1 you will need to adjust the above South coordinates by +3 (decimal '), and the East by +12 (decimal ').
Whilst this is not a challenge cache, where you need to do something else to qualify, I would appreciate some input, from you, the cacher, as this is a "Geospatial Analysis Station".
1/ What was the elevation of the top of the pipe the GPSr says, when you found the cache? (It could by satellite, or by barometer)
2/ And, what is the distance to your next closest 'Unfound' PUBLIC waypoint on your navigation device?; I don't need "Aunt Mary's house", etc. It could be a Trig Point, another geocache, or anything.
3/ Did you have to get your feet wet? (Did you come prepared?)
4/ Are you happy with the Ratings?