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The point cloud of the Addenbrooke bridge is segmented.
Segmentation is the process by which point clouds are classified into multiple homogeneous regions. Points in the same region belong to the same category and carry the same properties.
Acknowledgements: I would like to express my earnest appreciation to my supervisor Dr Ioannis Brilakis for all his contributions of guidance throughout my PhD research.
CO (La Plata County)
Day 4 (Segment 27)
random campsite to Bridge site
The final descent to Taylor Lake, although switchbacked, was pretty difficult. Caution was necessary on this steep sidehill which was strewn with loose talus stones. One misstep could be disastrous. Every step was careful and calculated. I did safely arrive at the Lake.
Taylor Lake is a stunning high alpine lake nestled in its own basin at an elevation of approximately 11,600 feet. An excellent place for a short break and to refill water containers. I encountered the hikers I had seen earlier on the Highline Trail, also taking a break.
Kennebec Trailhead, and the end of Segment 27, was about a mile away. I already had about 9 miles in for the day with about 7 more to go, so I didn’t linger at the lake for long. Kennebec Pass was another .6 mile away.
Yet another option.
Should the Brush touch the bottom border.
If it doesn't, it looks short,
if it does, it looks like it is longer, but because the chair does not touch the border, .... it looks odd.
Mammoth Tooth Segment
from, North Sea Area, Ice Age
12,000 Years Old, Pleistocene
Measurements Approx.
Height - 2.6 cm
Width - 9 cm
Length - 14.6 cm
There were several types of mammoth, all members of the elephant family. Most widespread was the Woolly Mammoths, which ranged across all northern continents and grew a very long, thick, hairy coat to keep out the bitter cold of the recent Ice Ages.
The woolly mammoth was roughly the same size as modern African elephant. Males reached shoulder heights between 2.7 and 3.4 m (9 and 11 ft) and weighed up to 6 tonnes (6.6 short tons). Females averaged 2.6–2.9 metres (8.5–9.5 ft) in height and weighed up to 4 tonnes (4.4 short tons). A newborn calf weighed about 90 kilograms (200 lb).
The teeth of a mammoth consist of a series of plates composed of enamel surrounding a dentine core. These are held together in a matrix of dental cement.
Each tooth erupted from the back of the jaw and slowly moved forward as it wore, to be replaced by another tooth from behind. The thickness and number of tooth plates are important identification criteria.
www.london-fossils-crystals.co.uk/mammoth-tooth-segment-f...
Drill in centre.
Looks good, till you zero in on the centre. Notice the Black Points.
I concentrated on sanding two opposite segments thinking it would not be noticed. I should have sanded them all evenly. Doh!
With the narrowest diameter this wheel will be seen at (11mm), the stripes are going be noticeably uneven. the white stripes will be uniform at 1mm, the black stripes will vary from 1.5mm to 2mm, I'm Guessing.
Accuracy is a fine art.
I forgot to take a purposeful picture on Tuesday so you get this photo I took of my laptop screen to send to my friend Keith (aka Max in the photo). I was using the segment analysis feature in the web version of Strava to try figure out how Strava glitched and showed Keith a minute and 40 seconds ahead of me at the end of the 11+ minute trail section when in reality I was only 20 seconds behind him. The answer was at the starting hill where a technology glitch that I can’t figure out has him 1:20 ahead of me after just 180m of trail when I was in reality right on his back wheel the entire time. Even more odd, there’s another segment that includes that same part of the trail and it recorded correctly. Gremlins!
Today was to be the last day of this section hike. I still had over 15 miles of hiking to make it to Goldhill Trailhead, and then to Breckenridge where my car was parked at the Bivvi Hostel. The morning was chilly but the sun was shining as I began to hike.
The closer I got to Breckenridge I started to notice thousands of down trees. There were criss-crossed tangled trees everywhere. It was real a blight on the landscape. Initially, I didn't know the cause. I thought maybe a new ski area was planned and the crew they sent to clear the mountain went a little overboard. Many of the trees were just on the side of the trail, but eventually someone started making what I assumed were pyres for burning. It really was shocking to see so much devastation.
As I was hiking through, I encountered some bikers who knew the cause. Evidently there has been a Mountain Pine beetle infestation. It is an epidemic which has covered over a million acres in both Colorado and Wyoming. The beetles burrow into the bark and lay eggs. As the eggs hatch, they eat the bark, thereby killing the tree. Very destructive.
I made it to Goldhill Trailhead which is still several miles from Breckenridge (Frisco is also accessible from here). Fortunately, not far away is a bus stop where I caught a free bus ride (which also goes to Frisco). It didn't go all the way to the hostel, but it was close enough. I had thought to stay at the hostel but I had not made a reservation and they were booked. (The Bivvi appears to be a very nice and clean hostel, but not just for hikers. All Breck visitors are welcome, so if you plan to stay, call ahead for a reservation.)
Overall, I was hiking for 7 days. I hiked segments 1-6 on the Colorado Trail. For anyone planning a long distance hike, these segments are a great introduction to the CT. Some difficult spots but some easy hiking as well. Awesome scenery without spending too much time above treeline. It was a great hike; I was ready for more!
This little guy has over 160 legs.
2 pairs of legs per body segment.
It is a millipede, a rather skinny, small and long (in relation to it's body).
This is a bizzare one, I have never seen this.
This might be a new species.
Name: Myriapoda > Diplopoda Sp.
Size: At least 27mm
Area Found: Forest of Bukit Gemuk, Tawau, Sabah, Malaysia.
CO (Saguache County)
Day 4 random campsite (Segment 17) to random campsite (Segment 19)
This day was all about the meadows. It started off with a fairly steep, short climb. Then the trail made its way down to Lujan Creek within a large meadow. This was Lujan Pass. I stopped for a coffee break and water fill-up. Normally, the trail would come down and then head back uphill shortly thereafter. But not this time. The trail continued to follow the meadow downhill via an old road. Nice easy walking to CO114.
There was a short road walk on CO114 and then a gate to pass through. This was the start of Segment 18. Another meadow to pass through. One problem about hiking through the open spaces of meadows is the lack of shade. Fortunately, today had plenty of cloud cover to prevent baking in the sun. It did rain a few times, but never for too long or too hard.
After hiking through some cow pastures (don't drink the water!) came into a huge valley that again was easy walking. Rain was threatening, so I couldn't stop for an early Dinner Break. I pushed on to a campsite within an Aspen Grove on the edge of the valley/meadow.
Today there was alot of dirt road walking which was very easy and good for extra mileage. This section was probably one of the easiest yet. Overall did 19.5 miles and was a little sore.
The primieval Whitecliffs boulders on the bank of the Rangitikei river near Ohingaiti, North Island, New Zealand are an amazing experience. They were formed millions of years ago under the sea and heaved up when Aoteoroa (New Zealand) was formed from the sea floor. They are known as cannonball concretions - the most famous of which are in Moeraki in the South Island although I think these are much more amazing.