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Details for Benchmark: AC5593

N 35° 00.081 W 083° 06.514 (NAD 83)

Altitude: 2149

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

Location:
In OCONEE county, SC View Original Datasheet
Designation:
COMMISSIONERS ROCK
Marker Type:
other
Setting:
in rock outcrop
Stability:
Most reliable and expected to hold position/elevation well.

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Came in from Bull Pen Road on Ellicott's Rock Trail. I believe the map at the trailhead and various places online is inaccurate. Once I reached the river and crossed it, I had to turn LEFT (north) instead of right as the map indicates to reach Ellicott's and Commissioner's Rock.

If anyone has any further info on this, please message me. Thanks.

Bobby

Found on a visit to a cache at Ellicott Rock.

Found while doing the Ellicott Rock hike. What a beautiful area.

Thanks!

Found while hiking with a group of great friends today! Also found the nearby cache :)

Found while hiking through the area.

Worth the hike.

Found this historic benchmark exactly ONE YEAR AGO when finding the nearby Ellicott Rock cache, just hadn't quite figured out how to find & log the benchmark until today! Beautiful area, really enjoyed the pristine river & our hike into history!

Ellicott Rock is below - but the water was too high and the bank too step to get down there!

[Photos:]
photothe marker

Found it last summer caching at Elicott Rock and Commisioners Rock.

Discovered with Samiller

Discovered with The Montha.

Found with a group of cachers on a fun day of hiking. Thanks GAGoofy

Just realized we had found the oldest benchmark while out at Ellicot rock. It's still there! Harthunter

[Photos:]
photoSCSG Mountain Breakfast-Ellicot rock 5-24-08 033

In good shape, great hike back to it.

Found this great rock with a bunch of geocachers.

Nice hike to get to this historic place. The markings are still there and legible.

Found and photographed with some help from my friends. Canuman.

[Photos:]
photoS5001294.JPG

Ran into FastFrank and other geaocahers who happenened to be scouting the area. Our hike leader Mike lead me down the steep and slick embankment (using handholds)to Commissioner Rock and he held my logo while I managed to get a poor photo of the historic spot. Then, Frank pointed out the best route to historic Ellicott Rock (not a BM, though). Some of Frank's hard-core group waded out to Chattooga Rock and got credit fot the BM(AC5592). Our trip required an 8-mile round trip having started at the Walhalla Fish Hatchery. Fun day, especially for me, because, although I've been to this spot before, I never actually saw Ellicott or Commissioner Rocks.

Didn't know this one is a BM, too!

It's in middle of river.

I found this one doing a Geocache close by. The pictures says it all! Thanks, LZ33

[Photos:]
photoThe oldest BM I've found!
photoStanding next to the BM

first backpacking trip, beautiful area.

Hiked here with a cousin. Nice bit of history connected with this one. Easy hike from the south.

found it on a hiking trip and place a geocache near by with my brother and his son

Documented History (by the NGS)

01/01/1813 by NCSCSB (MONUMENTED)
04/07/1996 by SCGS (GOOD)
DESCRIBED BY SOUTH CAROLINA GEODETIC SURVEY 1996 (DDW) STATION IS LOCATED 16.6 MILES (26.7 KM) NORTH NORTHWEST OF WALHALLA, 10.8 MILES (17.4 KM) NORTHWEST OF SALEM. OWNERSHIP--U.S. NATIONAL FOREST PROPERTY. TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAYS 28 (HIGHLANDS HIGHWAY), 107 (STATE PARK ROAD) AND BUFFWHALO ROAD, 2.7 MILES (4.3 KM) NORTHWEST OF WALHALLA, GO NORTH NORTHEAST ON HIGHWAY 107 FOR 3.0 MILES (4.8 KM) TO THE JUNCTION OF MARY T WYATT DRIVE (STATE ROAD 82) LEFT AND STATION MOUNTAIN ROAD RIGHT, CONTINUE ON HIGHWAY 107 FOR 7.25 MILES (11.67 KM) TO BURRELLS FORD ROAD LEFT (GRAVEL ROAD), TURN LEFT ON BURRELLS FORD ROAD FOR 2.35 MILES (3.78 KM) TO BURRELLS FORD CAMPGROUND LEFT, BEAR RIGHT ON THE MAIN ROAD FOR 0.45 MILE (0.72 KM) TO EAST SIDE OF THE CONCRETE BRIDGE OVER THE CHATTOOGA RIVER, THE TRAIL NORTH TO COMMISSIONERS ROCK AND ELLICOTTS ROCK STARTS ABOUT 350 FEET (106.7 M) EAST OF THE BRIDGE, PROCEED NORTHWEST BY FOOT ALONG THE CHATTOOGA RIVER TRAIL FOR 1.5 MILES (2.4 KM) TO A WELL-BUILT BRIDGE THAT CROSSES EAST FORK, GO LEFT AFTER CROSSING THE BRIDGE ALONG THE TRAIL FOR 1.7 MILES (2.7 KM) TO THE STATION IN ROCK OUTCROP ABOUT 10 FEET (3.0 M) BELOW THE TRAIL AND ON THE EAST BANK OF THE CHATTOOGA RIVER. COMMISSIONERS ROCK HAS CHISELED INSCRIPTION (LAT 35, AD 1813, NC+SC). STATION IS A CHISELED PLUS SIGN BETWEEN NC AND SC, 37.0 FEET (11.3 M) EAST NORTHEAST OF HORIZONTAL STATION CHATTOOGA ROCK (LARGE BOULDER ON THE EAST SIDE OF COMMISSIONERS ISLAND IN THE RIVER). THIS STATION WAS ESTABLISHED IN 1813 BY THE NORTH CAROLINA-SOUTH CAROLINA COMMISSIONERS AS WEST END POINT OF THE STATE LINE. ELLICOTTS ROCK HAS A CHISELED (NG). IT IS 15.1 FEET (4.6 M) FEET NORTH OF COMMISSIONERS ROCK (MEASURED FROM THE PLUS SIGN ON COMMISSIONERS ROCK TO A MIDPOINT BETWEEN THE N AND G ON ELLICOTTS ROCK). RECOVERED BY ALAN-JON ZUPAN.

Control Text

  • The North Carolina/South Carolina HARNS have been completed but, due to contractual restrictions, coordinates for these stations will NOT be published in the near future. In the interim, the published coordinates in North and South Carolina will not be consistent with the Continuously Operating Reference Stations (CORS). The HARN coordinates for these stations are available upon request. Contact Gary Thompson(919-733-3836), or Lewis Lapine(803-896-7700). In addition, the published North and South Carolina positions (NAD 83 (1986)) are NOT consistent with those determined in adjacent state readjustments. The discontinuity between stations located in North or South Carolina and those in adjacent states which have been adjusted to the HARN may be as much as 5 decimeters. This will result in a significant loss of accuracy over lines crossing such state borders.
  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in December 1996.
  • The orthometric height was determined by differential leveling between control points not connected to bench marks.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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