Prosser Mine - Lake Oswego, Oregon
N 45° 25.003 W 122° 41.945
10T E 523544 N 5029288
An abandoned iron ore drift mine located in suburban Lake Oswego, Oregon.
Waymark Code: WM3E95
Location: Oregon, United States
Date Posted: 03/22/2008
Views: 31
The Prosser Mine was part of an extensive industrial complex in what is now one of the wealthiest suburbs of Portland, Oregon. This drift mine was used to extract iron ore and ship it by narrow gauge railroad to an iron furnace, still standing in George Rogers Park (see WM1C67). The mine is located in Iron Mountain Park. The entrance has been sealed with concrete. Access to the park is via the Iron Mountain Trail, which is the roadbed of the original iron ore railway. The mine is located near the top of a steep hill, and getting to it is very challenging.
Mine Type: Abandoned Mine
Mineral Collecting: No
Material Mined: Non-Precious Metal
Operation: Underground Mine
Surface Features: No
KNOWN DANGERS:
Very steep climb up to the entrance.
Any associated website: [Web Link]
Any Other information:
http://www.oswegoheritage.org/history/pdf/history.pdf
Parking at N 45° 24.957, W 122° 42.216
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Visit Instructions:
Optional photograph welcomed.