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Frustum 24 - New River Mountains, AZ
mini location map2020-02-04
42 by photographer avatarFLYING_FLIVER
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Frustum 24 - New River Mountains, AZ 
Frustum 24 - New River Mountains, AZ
 
Hiking avatar Feb 04 2020
FLYING_FLIVER
Hiking7.20 Miles 4,300 AEG
Hiking7.20 Miles   10 Hrs   20 Mns   1.18 mph
4,300 ft AEG   4 Hrs   14 Mns Break
 
1st trip
Linked none no linked trail guides
Partners none no partners
I used FR 41 to get as close as I could to Maricopa/Yavapai County marker #24.
Other than immediately crossing the flowing New River 'river', the entire hike was up mountains, then down mountains, then up again.

As I found out on my last hike into the New River Mtns, this whole area looks, and feels big and expansive. Most of the highest mountains, 'peak-out', between 5,400 and 5,900 feet, and all appear to have a common symmetry.

The last time I went 'Frustum Hunting' was in 2017 - [ photo ] -
A refresher on what I'm trying to locate:
To settle an early 1920s dispute between Yavapai and Maricopa Counties, as to where their common border was located, the NGS (National Geodetic Survey) came in and set dozens of benchmarks near the border area, and then set 31 county boundary monuments right on the actual border- The NGS did all this in 1924.

The 31, three sided concrete boundary monuments, are in the shape of a frustum, with a pipe protruding from the top. (Frustum - Think of a pyramid with its top cut off)

My first destination was Bilby Benchmark (1924), which is sitting on top of a mountain, south of the county border, obviously in Maricopa county. Then I had to go further north, way down through a valley, then up another mountain for Summit Benchmark (1924). Summit BM lives in Yavapai county, and is very near the county border. Frustum #24 is only about 65 Ft south of Summit BM. All three are in great shape.

Well, Frustum #24 does have a bit of a 'wobble' to it, but possibly, so will all of us when we are 96 years old.

Once done locating these things stuck in the ground, I headed back to the TH. As usual, the hike back was a 'footslog'.

Of the 31 frustums set, I have located all the ones that are available to be located, except for one.
The frustums not available are either gone via infrastructure modifications (roads etc), on private land, under water (Pleasant Lake Reservoir) or pulled out and taken by vandals.

This was a challenging hike, with alot of 'YO-YO' ups and downs.

To locate that last viable frustum, I'd have to ford the Verde River to get a bit closer to it. It would be an 18 mile hike, without fording, and no frustum is worth 'slogging' that far. :)
_____________________
Not All Those Who Wander Are Lost
J.R.R.TOLKIEN
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