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Details for Benchmark: PY1259

N 44° 55.890 W 110° 42.369 (NAD 83)

Altitude: 8568

Coordinates may not be exact. Altitude is VERTCON and location is ADJUSTED. (more info)

Location:
In PARK county, WY View Original Datasheet
Designation:
BUNSEN
Marker Type:
survey disk
Setting:
setting not listed - see description
Stability:
Mark of questionable or unknown stability.

Reference Points

Must Read!

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The rangers recommended us this walk up to Bunsen Peak and then all the way down to Osprey Falls. It was a beautiful day, part of a beautiful holiday.

[Photos:]
photoDSCN0223
N 44° 55.896 W 110° 42.370

One of the nicer Bench Marks I have been to yet. Took me and my family a little longer than an hour to get there, but well worth the trip.
A rock cairn had been built over the bench mark but with a little rearranging I found it.

[Photos:]
photoPY1259 Yellowstone NP WY
Bunsen Peak Bench Mark
photoPY1259 Yellowstone NP WY
View from Bunsen Peak to Southeast
photoPY1259 Yellowstone NP WY
View from Bunsen Peak to NE
photoPY1259 Yellowstone NP WY
View from Bunsen Peak to East

Documented History (by the NGS)

1/1/1955 by USGS (MONUMENTED)
DESCRIBED BY US GEOLOGICAL SURVEY 1955 STATION LOCATED ON THE SE. AND LOWEST OF THREE ROCKY POINTS ON THE TOP OF BUNSEN PEAK, LOCATED ABOUT 3 MI. (AIRLINE) DUE S. OF MAMMOTH HOT SPRINGS IN YELLOWSTONE PARK. TO REACH STATION FROM THE YELLOWSTONE PARK POST OFFICE IN MAMMOTH HOT SPRINGS, GO GENERALLY S. ON THE MAMMOTH TO NORRIS JUNCTION RD. 5.3 MI. TO THE TURNOFF ONTO DIRT RD. ON THE LEFT, TRAIL TO BUNSEN PEAK LOOKOUT TAKES OFF ON THE N. SIDE OF DIRT RD. ABOUT 500 FT. E. OF HIGHWAY. PACK UP WELL MARKED TRAIL TO SE. ROCKY POINT AS DESCRIBED, ABOUT 1-HOUR PACK IS REQUIRED. STATION MARK--STANDARD TABLET, STAMPED ---BUNSEN 1955---, SET IN 3/4 IN. IRON PIPE SET IN CONCRETE FLUSH WITH GROUND. REFERENCE MARKS--NONE.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in January 1997.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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