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This list of mines in Oregon summarizes the mines listed by the Geographic Names Information System. As of January 7, 2014, there are 595 entries. As of January 7, 2014, there are 595 entries. name
The Old Portland Underground, better known locally as the Shanghai tunnels, is a group of passages in Portland, Oregon, United States, mainly underneath the Old Town Chinatown neighborhood and connecting to the main business section.
In 1997, the Oregon High Desert Grotto participated in the survey and mapping of all five caves on the site. [23] By 2002, the BLM held a cleanup event at the Redmond Caves. Together they extracted 300 tires in addition to a car at the park site. [ 24 ]
L002 3-Digit ZIP Code Prefix Matrix, Effective Date 2017-04-01, from USPS Facility Access and Shipment Tracking (FAST) L005 3-Digit ZIP Code Prefix Groups—SCF Sortation, Effective Date 2017-04-01, from USPS Facilities Access and Shipment Tracking (FAST) G030 Postal Zones; G042 Pricing and Classification Service Center
Public utility systems are often run underground—some by the very nature of their function, others for convenience or aesthetics. In the United States, it is estimated that subsurface lines amount to over 20,000,000 miles (32,000,000 km) in total. [2]
Bluespring Caverns is a cave system located in Lawrence County, Indiana, approximately 80 miles (128 km) south of Indianapolis. The cave system is a karst and river type cave formation and drains a 15 miles² (38.8 km 2 ) sinkhole plain.
Download QR code; Print/export ... This is a list of tunnels documented by the Historic American Engineering Record in the US state of Oregon . [1] Tunnels. Survey No ...
The Arnold Lava Tube System (or Arnold system) is series of lava tubes in Deschutes County, Oregon, in the United States. It is located several miles southeast of the city of Bend . The system starts in the Deschutes National Forest on the northern flank of Newberry Volcano , heads northeast onto BLM land before finally terminating on private ...