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Details for Benchmark: RL1597

N 46° 45.703 W 089° 06.373 (NAD 83)

Altitude: 0

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

Location:
In ONTONAGON county, MI View Original Datasheet
Designation:
MASS C AND H MINING E SHFT STK
Marker Type:
stack
Setting:
setting not listed - see description
Stability:

Must Read!

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I guess it's no big accomplishment, but I do find it amusing that I could find this one, given the last [URL=http://www.ngs.noaa.gov/cgi-bin/ds_mark.prl?PidBox=RL1597]recovery[/URL]. I can understand not being able to find a disk stuck in the woods someplace with bad coordinates and no references left, but how do you miss a 100 foot tall stack?

Okay, okay. I guess I shouldn't be so hard on the guy. I had seen the 2004 report, and was on my way to take a couple of photos and send this one off to be destroyed. I approached from the northwest (not via the road from the north, which was blocked,) and wound my way through some mining ruins. My approach was opposite the orientation of the photo, and I actually snuck up on this thing. The tree cover to the northwest is pretty dense, and I didn't see the stack until I emerged into the clearing about 50-60 feet to the west of it.

It was a nice hike, and I picked up several nice rocks for my wife to put in her garden. Very interesting site, and a nice view to the east.

It bugs me that there's such a glaring error now in the NGS database, but being an intersection station, I guess no one cares. Can't have it destroyed (obviously it's not) but can't report it as found either. Ah, well...

[Photos:]
photoRL1597
Kinda hard to miss, really
photoRL1597 Up close
The base of the stack

Documented History (by the NGS)

01/01/1939 by CGS (FIRST OBSERVED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1939 (FBQ) ONE AND ONE-HALF MILES WEST OF THE TOWN OF MASS, A CONCRETE STACK APPROXIMATELY 150 FEET HIGH, LOCATED AT THE MASS E SHAFT, ON THE PROPERTY OF THE CALUMET AND HECLA MINING CO. THE CENTER OF THE STACK WAS OBSERVED UPON FROM TRIANGULATION STATIONS GREENLAND, PORI AND KENTON.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in February 1997.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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