Little Bridges #760 Fording the Frome Mystery Cache
Little Bridges #760 Fording the Frome
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Difficulty:
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Terrain:
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Size: 
(micro)
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This little footbridge over the River Frome is located at the ford at the end of Green Lane. This is I believe a track suitable for proper 4x4 vehicles but at your own risk!
Wellies are recommended footwear if it has been raining.
The mean flow as measured at Frampton Cottrell is 60 cubic feet per second (1.7 m3/s), with a peak on 30 October 2000 of 788 cubic feet per second (22.3 m3/s) and a minimum on 10 August 1990 of 1.0 cubic foot per second (0.028 m3/s).
The mean flow as measured at Frenchay is 60 cubic feet per second (1.7 m3/s), with a peak on 10 July 1968 of 2,474 cubic feet per second (70.1 m3/s) and a minimum on 9 August 1976 of 2.8 cubic feet per second (0.079 m3/s).
If the peak of the mean flow at Frenchay on July 10th 1968 was 2474 cubic feet per second and the peak of the mean flow at Frampton Cotterell on the 30th of October 2000 was 788 cubic feet per second, what is the difference between the two?
=A B C D
If the minimum flow measured at Frampton Cotterell on the 10th August 1990 was of 1.0 cubic feet per second and the minimum flow recorded at Frenchay was 2.8 cubic feet per second on the 9th August 1976 substract one from the other to give you E F.
The cache can then be found at:N51º 32.(B-A)F(C+E) W002º 28.(B-E)(C/2)D
The Little Bridges series was started by Stanthews in 2009 to highlight small footbridges in remote parts of Wiltshire. Since then the series has been expanded by others all over the country and starting to spread fast, Damian from Winter Foxes has created and updates a list of cachers who has found 10 or more little bridges and can be found here, if you would like to add to the series, please contact Stan here and he will give you a number for your bridge, to qualify, the bridge must be a foot bridge too small for vehicles, please make sure your title exactly matches “Little Bridges # xx then name” including spaces so it will get picked up and added to Damian’s list.
Additional Hints
(Decrypt)
45º natyr