Elk Rock Island

Elk Rock Island
Elk Rock Island
	The island in 2008
Location	Milwaukie, Oregon, U.S.
Coordinates	45°26′10″N 122°38′53″W / 45.436°N 122.648°WCoordinates: 45°26′10″N 122°38′53″W / 45.436°N 122.648°W
Created	1955[citation needed]

Elk Rock Island is an island on the Willamette River in the U.S. state of Oregon.^[2] The 12- to 13-acre (4.9- to 5.3-ha) island, formed 40 million years ago by a volcano, was given to Portland by Peter Kerr in 1940.^[3]^[4]^[5] The city of Milwaukie took ownership of the park in April 2016.^[6]

Ecology[]

The island contains deciduous forest, mixed evergreen-deciduous forest and perennial graminoid vegetation.^[7]^[8] It is one of the last stands of the Oregon White Oak.^[9]

References[]

^ "Elk Rock Island". Geographic Names Information System. United States Geological Survey. Retrieved 2010-12-14.
^ Producer: Jim Newman (1999). "Elk Rock in Willamette River". Oregon Field Guide. Oregon Public Broadcasting. Retrieved December 14, 2010.
^ Saker, Anne (September 16, 2010). "Saving the oaks of Portland's Elk Rock Island". The Oregonian. Retrieved December 14, 2010.
^ "Elk Rock Island". Portland Parks & Recreation. Retrieved December 14, 2010.
^ "Friends of Elk Rock Island" (PDF). Portland Parks & Recreation. Retrieved December 14, 2010. Note: Brochure funded by City of Portland Bureau of Environmental Services and Portland Parks & Recreation in cooperation with the Friends of Elk Rock Island and the Island Station Neighborhood in the City of Milwaukie.
^ "Elk Rock Island | City of Milwaukie Oregon Official Website". www.milwaukieoregon.gov. Retrieved Aug 19, 2019.
^ "Site Survey: Elk Rock Island". Portland Parks & Recreation. Retrieved December 14, 2010.
^ "Vegetation Unit Summaries for Elk Rock Island (ERI)". Portland Parks & Recreation. July 29, 2009. Retrieved December 14, 2010.
^ Saker, Anne (Sep 17, 2010). "Saving the oaks of Portland's Elk Rock Island". oregonlive.com. Retrieved Aug 19, 2019.

External links[]

Radio program broadcast in 2012

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[1] "Elk Rock Island". Geographic Names Information System. United States Geological Survey. Retrieved 2010-12-14.

[OFG-2] Producer: Jim Newman (1999). "Elk Rock in Willamette River". Oregon Field Guide. Oregon Public Broadcasting. Retrieved December 14, 2010.

[Oaks-3] Saker, Anne (September 16, 2010). "Saving the oaks of Portland's Elk Rock Island". The Oregonian. Retrieved December 14, 2010.

[PPR-4] "Elk Rock Island". Portland Parks & Recreation. Retrieved December 14, 2010.

[Brochure-5] "Friends of Elk Rock Island" (PDF). Portland Parks & Recreation. Retrieved December 14, 2010. Note: Brochure funded by City of Portland Bureau of Environmental Services and Portland Parks & Recreation in cooperation with the Friends of Elk Rock Island and the Island Station Neighborhood in the City of Milwaukie.

[6] "Elk Rock Island | City of Milwaukie Oregon Official Website". www.milwaukieoregon.gov. Retrieved Aug 19, 2019.

[Survey-7] "Site Survey: Elk Rock Island". Portland Parks & Recreation. Retrieved December 14, 2010.

[Summary-8] "Vegetation Unit Summaries for Elk Rock Island (ERI)". Portland Parks & Recreation. July 29, 2009. Retrieved December 14, 2010.

[9] Saker, Anne (Sep 17, 2010). "Saving the oaks of Portland's Elk Rock Island". oregonlive.com. Retrieved Aug 19, 2019.

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