the Degree Confluence Project

United States : Wyoming

18.6 miles (29.9 km) S of Evanston, Uinta, WY, USA
Approx. altitude: 2386 m (7827 ft)
([?] maps: Google MapQuest OpenStreetMap topo aerial ConfluenceNavigator)
Antipode: 41°S 69°E

Accuracy: 1 m (3 ft)
Quality: good

Click on any of the images for the full-sized picture.

#2: View north #3: View east #4: View south #5: GPS position #6: TerraSync post processed data #7: View towards parking #8: Monument at Wyoming-Utah corner #9: Mode of transportation

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  41°N 111°W (visit #5)  

#1: View west

(visited by Shawn Fleming)

09-Jul-2014 -- This would be the final confluence of seven while traveling west along 41N. We were coming from an unsuccessful visit to 41N 110W.

From Interstate 80 we got off at Coalville and continued east along Chalk Creek Road until the gas pipeline station where we stayed to the right here and then quickly turned back east at the Wyoming/Utah Corner Monument here and continued along a well maintained dirt road until a small green valley to the north where we parked along the road here.

I set out up this valley finding animal tracks that led me to the base of a hill with double tracks going up on either side. From the GoogleEarth imagery I knew I wanted to take the one to the right and it led me up the east side of the hill. It was a steady elevation gain and there was another double track at the top of the hill that took me west towards the confluence. This path ran into a N-S double track that was only about 30 meters from the confluence.

I found the confluence on rocky scrub covered terrain gently sloping to the south with longest views to the southeast. Most of the rocks had a crusty orange colored lichen growing on them.

It was breezy and the cloud cover varied from popcorn cumulus in the northwest to full mature cumulonimbus in the southeast with lots of lightning.

I started logging GPS positions, relayed my success to my wife over our FRS radios, then sent a Spot message announcing my successful visit to those that were following our adventures, and took my directional pictures. There is a large reflector to the west that is also prominent from the gas plant on the drive in.

On my way down I thought I would continue my counterclockwise loop along the double track to see if there was any difference compared to the way up. It was a little longer and had about the same slope. If I had to do it again I would take the eastern path both ways.

It was an easy hike back down and after rinsing off we started heading west and stopped at the corner monument before heading back to Interstate 80 and starting the long trip back home.

TerraSync post processing of the GPS data reveals the actual confluence location was 1.5 meters northwest of where I had found all zeroes with a horizontal precision of 2.1 meters.

Total round trip time off of Interstate 80 at Coalville was 3:30 with 85 km of driving. My round trip hike took 1:37 and was 4.3 km. About 30 minutes were spent after the hike rinsing off and stopping at the border monument.

 All pictures
#1: View west
#2: View north
#3: View east
#4: View south
#5: GPS position
#6: TerraSync post processed data
#7: View towards parking
#8: Monument at Wyoming-Utah corner
#9: Mode of transportation
ALL: All pictures on one page
The Confluence is located about 240 m north of the Wyoming-Utah border.