I purchased a Nikon Forestry Pro laser some time ago and I have been very fastidious and careful in measuring these trees. I have had visit after visit over the last few weeks as I wanted to be absolutely certain of the consistancy of measurements that were coming in using First Target Priority Mode and Distant Priority Mode. The trees are growing in a difficult position to get clear 'windows' in but I have found the windows for the tallest trees. For the tallest tree, I also cleared all the dead branches of the underplanted Grand Firs to allow a clear view in the base, also clearing some fern fronds to allow an absolute clear view in.
The (new) photo of Hebden Wood below:
Sequoiadendron to right of Norway Spruce in middle of photo, 30.2 metres plus 1.8 metres measured behind the wall- 32 metres
Sequoiadendron at the corner with bent top to the right- 45-45.5 metres
Sequoiadendron immediately behind- 49.5-50 metres range.
Sequoiadendron immediately above the gate with top bent to the right- 47.5 metres plus 1.4 metres behind wall-48.9 metres
Sequoiadendron immediately behind, right spire top - 52.2-53 metre range consistantly using Distant/First Target Modes Girth 475 cm (height measured from a distance of 41 metres from the tree base)
These trees are the tallest trees in Yorkshire, I have more contenders now to measure but I doubt that they will approach the height of these.
The girth of the tree is 4.75 m measured at a height of 1.50 m (Oct 4, 2012, 123RedRob). Its height is around 53.00 m (Oct 4, 2012, measurement method unknown, 123RedRob). This tree was planted in 1854, which makes it exactly 159 years old (123RedRob, Aug 6, 2012).
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