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Construction of the jetty at the mouth of the Russian River at Jenner, California, October 10, 1933

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cstr_pho_042143

Construction of the jetty at the mouth of the Russian River at Jenner, California, October 10, 1933

Creator Note: The Sonoma County Surveyor's Office was located in Santa Rosa, California
Copyright Statement: The Sonoma County Library makes no assertions as to ownership of any original copyrights to digitized images and can claim only physical ownership of the image(s) described in this records. However, these images are intended for Personal or Research use only. Any other kind of use, including, but not limited to commercial or scholarly publication in any medium or format, public exhibition, or use online or in a web site, may be subject to additional restrictions including but not limited to the copyrights held by parties other than the Library. USERS ARE SOLELY RESPONSIBLE for determining the existence of such rights and for obtaining any permissions and/or paying associated fees necessary for the proposed use. Preferred credit line is: Courtesy, the Sonoma County Library. Please see additional reproduction and reuse information at http://sonomalibrary.org/locations/sonoma-county-history-and-genealogy-library/order-photo
Fiscal Sponsor: Sonoma County Library, 211 E Street, Santa Rosa, CA 95401 (http://www.sonomalibrary. org); Sonoma County Fair & Exposition, Inc., Santa Rosa, CA 95402 (http://www.sonomacountyfair. com/) 1350 Bennett Valley Road,
Project Affiliation: Sonoma County Tourism Grant (2014-2015)
Digital Collections Area Group(s): Local History & Culture
Contributing Organizations: Grant provided to the Sonoma County Library through the Sonoma County Advertising Program.
Digital Collection Name(s): Sonoma County Library Photograph Collection
Original Collection Name: Jenner Jetty collection
Local System Identifier: 1497560
Filename: cstr_pho_042143.jp2
Cdm file name: 26824.jp2
Archival File Data Quality: High resolution master file image (400 ppi)
Date Digitized: D:00 M:00 Y:2013
Cdm Reference URL path: cdm/ref/collection/p15763coll2/id/26823
Internal Note: Batch 2015-1
Date of Acquisition: 2014
Acquisition Type: Gift
Digitizing Agency: Luna Imaging, Inc. (2702 Media Center Drive Los Angeles, CA 90065-1733 http://www.lunaimaging.com)
Immediate Source of Acquisition: County of Sonoma
Location of Originals: Negative (in Negative file): Sonoma County History & Genealogy Library, 211 E Street, Santa Rosa, CA 95401 http://sonomalibrary.org/locations/sonoma-county-history-and-genealogy-library
Physical Item Barcode(s): 37565023238628 (ANNEX PHOTO 42143)
Digital Collections Identifier: cstr_pho_042143
Cdm ID: 26823
Cdm file path: /p15763coll2/image/26824.jp2
Local History and Culture Theme: Transportation
Creation Date (Original): October 10, 1933
Number of Parts or Pages: 1 photographic print
Item Format or Genre: Black-and-white photographs
Biographical or Historical Note: Low summer flows on the Russian River close the mouth where it enters the Pacific Ocean at Jenner each year. The closing of the river mouth is critical for the chinook and other salmonids, which need that time to acclimate to a mixture of river and sea water before going to the ocean to feed for two year. Under ideal conditions, the mouth will be closed by a naturally forming sand bar, which lets water from the Russian River water seep out to the ocean, but keeps ocean water from coming in, but a massive rock-and-concrete jetty--1,600 feet long, 10 feet high and 40 feet across at its base--was constructed in the 1930s in an attempt to keep the river open for barge traffic. Work on the jetty began in 1929 by contractor Healy & Tibbots with $35,000 by the Russian River Improvement Co. and $35,000 by the state of California. The primary purpose was to keep the river mouth open so barges could haul out gravel from the mining operations just inside the river mouth, according to a study presented at an International Conference of Coastal Engineering in Hamburg, Germany, in 2008. The rock used as the base and for the fill of the jetty was blasted out of the distinctive Goat Rock nearby and hauled by a specially built narrow-gauge rail line to the jetty. The jetty was originally rock and timber, but much of it was destroyed in the winter of 1929-1930 and replaced by steel, rock and concrete in 1932. The jetty -- now within the boundaries of Goat Rock State Beach in Sonoma Coast State Park -- is, however, negatively impacting the critical salmonid rearing estuary. (source: Norberg, Bob. Low water levels reveal jetty at mouth of Russian River. Press Democrat, June 26, 2012. http://www.pressdemocrat.com/news/2317203-181/low-water-levels-reveal-jetty?artslide=0). The National Marine Fisheries Service (NMFS) issued a 2008 Biological Opinion that required the Sonoma County Water Agency to conduct a study on the jetty to determine if and how it impacts the formation of the sand bar (known as a "barrier beach") at the mouth of the Russian River estuary, and subsequently, the impact of the jetty on water levels in the estuary. The study, begun in March 2014 examined the effects of altering or removing the barrier in order to return the estuary to levels more favorable to salmonids. The feasibility study, released in March 2017, noted that summer-fall water level could be maintained at 7 to 9 feet above the National Geodetic Vertical Datum elevation by allowing seepage through the barrier beach and mechanically opening a channel to prevent the water level from flooding development close to the estuary waterline in Jenner (a practice initiated by the Water Agency in 2010). Several alternatives were identified, including no action, notching the jetty, removing the jetty, removing only the access elements embedded in the sand; and removing both the jetty and the access elements. The study described the both the opportunities in removing the inactive jetty as well as significant constraints and considerations, including the impact on public access, other species' habitats and the dynamic and complex beach environment that makes it difficult to accurately predict the full effects of removal. (source: Feasibility of alternatives to the goat rock state beach jetty for managing lagoon water surface elevations. Sonoma County Water Agency, March 10 2017 http://www.scwa.ca.gov/files/docs/projects/rrifr/GoatRockJettyFeasibility-Rpt-Appendices-2017-03-10_acc.pdf).
DateType-PublicationStatus: s
Description: A long distance view of the jetty as it extends from the mouth of the Russian River.
Contributor(s) (Corporate Body): Sonoma County (Calif.). Surveyor's Office
Title Statement: Sonoma County Surveyor's Office
Title: Construction of the jetty at the mouth of the Russian River at Jenner, California, October 10, 1933
Date Created or Published (clean) (1): D:00 M:00 Y:1933
Item Physical Dimensions: 20 x 25 cm
Longitude: -123.128803
Geocoding Status: Approximate geocoding
Reproduction Details (Physical Items): Reproduced from negative by The Lab (400 Tesconi Circle, Santa Rosa, California), October 2014.
Geographic Metadata Source: GNIS
District: Jenner
Source of Title and Description Note: Title assigned by cataloger.
Maps/StreetView: View location in Google Maps
Map Zoom Level: 15
Latitude: 38.451021
Item Type: Still image
Street Address: Jenner, California
Subject (Topical): Jetties--Design and construction
California County: Sonoma
State or Province: California
Subject (Time Period): 1933
Other Physical Details: Black-and-white
Country: United States
Shelving Location of Physical Item(s): Sonoma County History & Genealogy Library, 211 E Street, Santa Rosa, CA 95401 http://sonomalibrary.org/locations/sonoma-county-history-and-genealogy-library
Sort Title: Construction of the jetty at the mouth of the Russian River at Jenner, California, October 10, 1933
Credit line: Courtesy, Sonoma County Library
Item Call Number(s): ANNEX PHOTO 42143
Subject keywords: Transportation; 1933; Jetties--Design and construction; United States; California; Sonoma; Jenner
Single date for City of SR GIS: D:00 M:00 Y:1933
View on Alternative Site: View photo location on the Sonoma County Historical Photos Map hosted by the City of Santa Rosa
Collection(s): Sonoma County Library Photograph Collection

IIIF manifest: https://iiif.quartexcollections.com/sonomalibrary/iiif/a33924ca-ecd7-4405-ac2b-27ee83f1c641/manifest

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