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Details for Benchmark: UW7737

N 60° 58.079 W 149° 46.149 (NAD 83)

Altitude: 0

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

Location:
In county, AK View Original Datasheet
Designation:
CAPE RESET
Marker Type:
survey disk
Setting:
in rock outcrop
Stability:
Most reliable and expected to hold position/elevation well.

Reference Points

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N 60° 58.079 W 149° 46.150

Found while geocaching

[Photos:]
photoCape RM1 1942

Found while hiking and caching with my son in the area.

[Photos:]
photo20140503_174827

I was camping at Gull Rock and knew that the BM was out there somewhere, but didn't go looking for it. I walked away from camp to brush my teeth, and lo and behold, there it was. Pretty easy to find, just climb on top of the rock outcrops until you hit upon it.

Found along with my Caches on our hike.

Found as described.

Following a tougher-than-expected 5 mile hike from the trailhead, we were delighted to toss down our backpacks for a well-deserved rest before photographing the four marks at this location. The trail was in decent shape from the Porcupine Creek NFS campground, but at least half its length consisted of root-strewn trailbed hidden in shoulder-high grass and pushki... daunting for Mrs NW & I, but even more difficult for our 4-month old Std Poodle pup Kona (on her first long-distance outing). Our 2-yr old Std Poodle Aero was in her element on this trail, racing to and fro, investigating squirrels and making sure we were still coming down the trail behind her. The combination of uneven trail surface and overgrowth reduced our speed by half, turning this into a longer than expected afternoon and placing us back at the van six and a half hours after starting out. However, it was worth it! The view from this point is indescribably stunning, and the unique benchmark recovery was icing on the cake for our outing.

The original 1942 Corps of Engineers mark stamped 'TRI CAPE 1942' was recovered, along with the original 1942 Corps of Engineers RM1 CAPE 1942. The US Coast and Geodetic Survey (USCGS) disks stamped 'CAPE RM1 1964' & 'CAPE RM2 1964' were also found.

Recovery report submitted to the NGS (National Geodetic Survey).

[Photos:]
photoUW7737 CAPE RESET (closeup) Kenai Pen Boro, AK
A closeup view of the Corps of Engineers disk stamped 'TRI CAPE 1942 - UW7737.
photoUW7737 CAPE RM1 Orig. (closeup) Kenai Pen Boro, AK
The original Corps of Engineers RM1 for TRI-CAPE 1942, set in bedrock just a few feet from the 'new' USGS circa-1964 RM1.
photoUW7737 CAPE RM1 1964 (closeup) Kenai Pen Boro, AK
The USGS RM1 set in 1964.
photoUW7737 CAPE RM1 RM1 (area) Kenai Pen Boro, AK
Two RM1 marks lie close together on bedrock to the north of the main station - the 'original' Corps of Engineers RM1 at left, and the 'new' 1964 USGS RM1 at right.
photoUW7737 CAPE RM2 1964 (closeup) Kenai Pen Boro, AK
RM2 lies to the west of the main station, atop the second-highest exposed bedrock mound on the point.
photoUW7737 CAPE RM2 1964 (view NNW) Kenai Pen Boro, AK
Mrs NW is kind enough to point out the location of RM2. Behind her above the mark is Potter's Marsh, six miles north across Turnagain Arm.
photoUW7737 CAPE RESET (view W) Kenai Pen Boro, AK
Looking across UW7737 CAPE RESET west towards RM2. Mrs NW and the dogs are perched atop the second-highest bedrock exposure here on 'Gull Rock'. Everything seems to slant northwards in this photo; the tree at left of Mrs NW is vertical and everything else is leaning or slanting or sloping... an excellent example of bedrock heavily worn by glacial erosion.
photoUW7737 CAPE RESET (view N) Kenai Pen Boro, AK
View north over UW7737 CAPE RESET across Turnagain Arm towards the McHugh Creek area and station ISLE.
photoUW7737 CAPE RESET (closeup) Kenai Pen Boro, AK
A different closeup view of the main disk stamped TRI CAPE 1942, showing the unique Corps of Engineer high-relief cast benchmark disk and the relatively high setting of the disk itself in the bedrock.
photoUW7737 CAPE RESET (approaches) Kenai Pen Boro, AK
A view east down the south side of Turnagain Arm towards the town of Hope, taken just .06 miles south of UW7737 CAPE RESET. Mrs NW and Aero are taking a well-deserved break after hiking 5 trail miles along the steep heavily-treed hillside, leaving from a point 2.5 miles further around the headland seen in the middle distance (with a tiny island at its tip). This mark lies just a mile within the Kenai National Wildlife Refuge, but most of the trail is on the Chugach National Forest.

Documented History (by the NGS)

01/01/1964 by USE (MONUMENTED)
DESCRIBED BY US ENGINEERS 1964 (LGB) THE STATION IS LOCATED 6 MILES SOUTH OF THE SMALL SETTLEMENT OF POTTER AND ON A PROMINET POINT ON THE SOUTH SHORE OF TURNAGAIN ARM OF COOKS INLET KNOWN AS GULL ROCK. THE STATION WAS REACHED BY HELICOPTER FROM POTTER. THE HELICOPTER CAN LAND ON THE BEACH AT THE NORTH SIDE OF THE STATION OR IN A LARGE CLEARED AREA 0.25 MILE SOUTH OF THE STATION. THE STATION MARK IS A U.S. ARMY CORPS OF ENGINEERS DISK STAMPED CAPE TRI 1942, CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK. IT IS ABOUT 100 FEET SOUTH OF THE BANK ON THE SOUTH SHORE OF TURNAGAIN ARM AND ON THE EAST ONE OF TWO ROUNDED HUMPS OF ROCK OUTCROP. REFERENCE MARK NO. 1 IS A STANDARD DISK STAMPED CAPE NO 1 1964, CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK. IT IS 4 FEET LOWER IN ELEVATION THAN THE STATION. REFERENCE MARK NO. 2 IS A STANDARD DISK STAMPED CAPE NO 2 1964, CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK. IT IS 2 FEET LOWER IN ELEVATION THAN THE STATION.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in July 1986.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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