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name type elevation coordinate USGS map GNIS ID Agency Creek Quarry: Mine: 699 ft (213 m) Niagara Creek: 1137031: Ajax Mine: Mine: 2,356 ft (718 m) Mount Reuben
The Oregon High Desert Grotto (or OHDG) is an American caving club, known as a Grotto.It is affiliated with the National Speleological Society.. OHDG is involved with caving and conservation efforts in central Oregon and beyond, including the Oregon Caves National Monument, [1] the Lava Beds National Monument in northern California, [2] and caves in western Idaho and southern Washington.
On this list are the most polluted sites requiring a long-term response to clean up hazardous material contaminations. [1] The NPL guides EPA in "determining which sites warrant further investigation" for significant environmental remediation. [2] As of April 2010, there were thirteen Superfund sites on the National Priorities List in Oregon. [2]
Troutdale is a city in Multnomah County, Oregon, United States, immediately north of Gresham and east of Wood Village. As of the 2020 census , the city population was 16,300. [ 6 ] The city serves as the western gateway to the Historic Columbia River Highway , the Mount Hood Scenic Byway , and the Columbia River Gorge .
The East Side Big Pipe is a large sewer line and tunnel in Portland in the U.S. state of Oregon. It is part of a combined sewer system of pipes, sumps, drains, pumps, and other infrastructure that transports sewage and stormwater run-off to the city's Columbia Boulevard Wastewater Treatment Plant.
Rockcreek is a census-designated place in Washington County, Oregon, United States, north of U.S. Route 26.It is named for the Rock Creek neighborhood in the area. As of the 2010 census, the CDP population was 9,316.
University of Oregon students mapping the caves. The caves have been the center of cleanups over the years. After repeated vandalism and defacement of the caves, projects were created to help maintain them. [23] In 1997, the Oregon High Desert Grotto participated in the survey and mapping of all five caves on the site. [23]
Oregon Township is one of twelve townships in Clark County, Indiana. As of the 2010 census, its population was 1,769 and it contained 692 housing units. As of the 2010 census, its population was 1,769 and it contained 692 housing units.