- Hogg Rock
Infobox Mountain
Name= Hogg Rock
Photo = Santiam9.jpg
Caption = Hogg Rock,Three Fingered Jack , andU.S. 20 near Santiam Pass
Elevation = convert|5080|ft|m
Location =Oregon ,USA
Range= Cascades
Prominence =
Coordinates = coord|44.4220636|-121.8770044|format=dms|region:US_type:mountain [GNIS|1161388accessdate|2008-03-31]
Topographic
USGS Three Fingered Jack
Type =Tuya
Age = about 80,000 years [ cite web
url=http://pubs.usgs.gov/imap/i2683/i2683_bend_pamphlet.pdf
title=Geologic Map of the Bend 30×60-Minute Quadrangle, Central Oregon
publisher=USGS
year=2004
accessdate=2008-03-26 ]
Last eruption =
First ascent =
Easiest route = hikeHogg Rock is atuya volcano in theCascade Range of northernOregon , located west ofSantiam Pass beside theSantiam Highway (U.S. Route 20 /Oregon Route 126 ). The highway wraps in a nearly 180-degree curve below cliffs on the south and west sides.Hogg Rock is only about convert|2|mi|km north of
Hayrick Butte , a somewhat larger tuya of similar age and composition. A tuya is a type ofsubglacial volcano , formed when lava erupts underneath an overlyingglacier orice sheet and then melts through to the surface and pools, producing the flat plateau on top with near-vertical walls along the ice-contact margin as the lava cools and hardens. Unlike most tuyas which have steep cliffs on all sides, Hogg Rock has a break in its cliffs on the east side, with a moderate slope which leads down to a small road andgravel pit .History
Hogg Rock was named after Colonel
T. Egenton Hogg , the promoter of a railroad that was supposed to cross the Cascades in this location. cite book
last = McArthur
first = Lewis A.
authorlink = Lewis A. McArthur
coauthors =Lewis L. McArthur
title =Oregon Geographic Names
origyear = 1928
edition = 6th Edition
year = 1984
publisher =Oregon Historical Society Press
location = Portland,Oregon
id = ISBN 0-87595-237-2
pages = 416 ]His railroad was based at Corvallis and became known as the
Oregon Pacific Railroad (not to be confused with the current railroad of that name). His plan called for a railroad fromYaquina Bay on theOregon Coast toIdaho via Corvallis and Santiam Pass. cite web
url = http://www.trainweb.org/highdesertrails/oprr.html
title = Oregon Pacific Railroad
publisher = High Desert Rails
accessdate = 2008-04-01 ] . By the end of 1884, he completed the rail into Corvallis from the coast and reached Albany by 1886. He then worked up theNorth Santiam River and completed trackage as far as Idanha before running out of money in 1890. In a final desperate effort to claim the pass for his railroad, he laid rails over Santiam Pass near Hogg Rock and pulled a box car back and forth on them to lay a claim to rail service there in 1890. Hogg went bankrupt andE. H. Harriman of theSouthern Pacific Railroad gained control of the line in 1907. The trackage east of Mill City was abandoned whenDetroit Dam andBig Cliff Dam were built in 1950, and the dreams of a trans-Oregon railroad terminating at Corvallis was gone.References
* cite book
last = Harris
first = Stephen L.
title = Fire Mountains of the West: The Cascade and Mono Lake Volcanoes (3rd ed.)
publisher =Mountain Press Publishing Company
date = 2005
isbn = 0-87842-511-X
* cite book
last = Wood
first = Charles A.
coauthors= Jürgen Kienle, eds.
title = Volcanoes of North America
publisher =Cambridge University Press
date = 1990
isbn = 0-521-43811-X
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