Mushroom Rock Arch -- E of Custer MT
Posted by: Groundspeak Premium Member Benchmark Blasterz
N 46° 06.949 W 107° 35.385
13T E 299891 N 5110176
Quick Description: A natural arch formed in sandstone along the I-94 west of Forsyth MT and east of Custer MT
Location: Montana, United States
Date Posted: 1/24/2014 3:55:42 PM
Waymark Code: WMK0C8
Published By: Groundspeak Premium Member RakeInTheCache
Views: 0

Long Description:
These strange formations of hard limestone over soft sandstone weather to form "mushrooms" -- and sometimes the erosion forms a natural arch.

One such arch can be seen along the I-94 as you head west from Forsyth MT.

BE CAUTIOUS getting out of your car here -- I will accept a drive-by photograph because of the narrow shoulder on the westbound I-94. A better parking area exists as you come east on the I-94.
Photo of the Arch by itself?: yes

Type of Arch: Wind Eroded

Type of Material:
These strange formations of hard limestone over soft sandstone weather to form "mushrooms" -- and sometimes the erosion forms a natural arch.


Visit Instructions:
You must post a picture of you with a GPSr or Geocaching/Waymarking attire/equipment and the subject arch in the background.
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Recent Visits/Logs:
Date Logged Log User Rating  
Benchmark Blasterz visited Mushroom Rock Arch -- E of Custer MT 8/6/2013 Benchmark Blasterz visited it