Ye Ole Survey Monuments, commonly known as YOSM (GC45CC), made its mark in geocaching history when it was placed on 25 March 2002 by outforthehunt. This traveling virtual geocache added a unique dimension to the geocaching experience, leading seekers to specific survey monuments, pillars, surface blocks, rivets, or bolts scattered across the country.
The cache, as it journeyed through various locations, allowed multiple logs since each spot was a distinctive destination. However, this practice came to an end in 2017 when Groundspeak decided to archive the cache due to changes in guidelines. Despite its archival, YOSM had already etched its place in geocaching history with an impressive tally of 25,076 finds contributed by 3,528 different cachers.
Caulkleys Bank Trig Pillar was the 241 location this former roving Virtual cache visited.
Looking northwards from the you can see in the far distance the North York Moors with the Vale of Pickering in the foreground, to the south are the Howardian Hills.
In the United Kingdom the 'grandfather' of geographical survey and cartographic is William Roy who started is surveying on Hounslow Heath. One of the starting location can no longer be visited as it is inside the security perimeter fence at London Heathrow airport. There are upturned cannons at close to either end of Roy's baseline, one at the southern end in Roy Grove, Hampton, Middlesex and the northern cannon is situated just of the northern perimeter road at London Heathrow airport. Of course both locations warrant and have their own geocaches - GC243KB and GCAF6P1
Ye Ole Survey Monument (YOSM) is a captivating series of caches that pays homage to the remarkable legacy of OutForTheHunt's YSM series (GC45CC).
Within twenty feet of the trig point is a stone bench. Use the accepted de-coding A=1, B=2, C=3 .... Z=26 you will need to work out the values of the letters enscribed in the names of ????? & ????? Clive
The cache can be found at N54 11.ABC W000 58.DEF
A - the second letter of the female name minus the last letter of the female name
B - the first letter of the female name minus the last letter of the male name
C - the second letter of the female name minus the first letter of the female name
D - the last letter of the male name minus the first letter of the male name
E - the third letter of the male name minus the first letter of the male name
F - the value of the fourth letter in the male name.
About Ye Ole Survey Monuments
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Ye Ole Survey Monument (YOSM) is a captivating series of caches that pays homage to the remarkable legacy of OutForTheHunt's YSM series (GC45CC).
YOSM caches are strategically positioned at or near Trig Points. These triangulation stations have played a pivotal role as surveying landmarks, contributing to the mapping of expansive territories.
Some of these points, bearing historical significance, might now be situated on private land or have vanished with time. As a result, the caches are artfully placed in close proximity, reverently acknowledging the historical importance of these survey monuments.
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More information, bookmarks and statistics can be found at the YOSM Website
If anybody would like to expand the Ye Ole Survey Monuments Series, please do.
I would ask that you request a number for your cache first at www.yosm.org.uk
so we can keep track of the numbers and names to avoid duplication.