Witness Posts
Click a thumbnail to see larger image.
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| Wood |
Metal |
Carsonite
(Fiberglass) |
Other |
Wooden Witness Post & Disk
image by gnbrotz
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Image by capn_skully
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Reference tag
Image by Thack Pack
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Image by Kewaneh
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image provided by happycycler |
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A Bearing tree:
Found these two bearing trees near a benchmark today.
Dept of the Interior, 1970.
Image and text by Bilder
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Image by Kewaneh
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image provided by happycycler |
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image provided by elcamino |
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witness placard found while recovering
marks at Ft. Bragg NC.
This is a witness to station EZ3492.
image provided by a/r/sf/ret |
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image provided by pl8s4jon |
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Cement witness post.
There was a series of these in a
desert area in Texas. This one
witnesses CD1009. Its design has
nicely beveled edges and corners.
The cement probably tolerates the
salty desert better than wood, plastic,
or even steel.
Image and text provided by Black Dog Trackers |
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The G-51 "Silver Post" is a concrete witness post for GR0069
provided by John & Shirley
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Two different type of Witness Posts at the same marker.
A wooden witness post with a metal post and sign attached. The sign has Portland Oregon
listed on it (although this witness post was found in Corvallis Oregon -
Home of Oregon State University).
This marks QE2003 benchmark.
provided by pl8s4jon |
UNITED STATES PUBLIC-LANDS SURVEYS
ART. 23-24 Witness Corners:
Where the true corner point falls within an unmeandered stream or lake,within a marsh,or in an
unacceptable place,a witness corner is established (boundry monument -witness post 73)
and others,preferably on one of the surveyed lines leading to the location of the regular
corner,middle of garrison creek, according to the glo plat and ngs data sheet.
Also where the true point falls within the traveled road,a cross-marked stone is deposited
below the road surface,and a witness corner is established in a suitable location outside
the roadway.
The witness corner is placed on any one of the surveyed lines leading to a corner,if a suitable
place within a distance of 10 chains(660 feet)is available;but if there is no secure
place to be found on a surveyed line within the stated limiting distance,the witness corner
may be located in any direction within a distance of 5 chains (330 feet).
provided by GEO*Trailblazer 1
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