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Portland District

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Columbia and Lower Willamette River

XYZ Data and Contours

Survey Crew separator

The information contained in the data files represent the results of surveys made on the dates indicated and can only be considered as indicating general conditions existing at that time.

*Please note the survey data is referenced to State Plane Coordinates North American Data 1983 (NAD 83) with sounding reference below Mean Lower Low Water (MLLW) or Columbia River Datum (CRD) where applicable in US Survey Feet.

If conversion to another Datum is needed, try this utility: http://crunch.tec.army.mil/software/corpscon/corpscon.html

*Note: Files are named by three letter codes. For corresponding charts to codes, please view the readme.

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Columbia and Lower Willamette River Channel Line Data

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Combined file

XYZ Data Contours Date of Survey XYZ Data Contours Date of Survey XYZ Data Contours Date of Survey
MCR MCR 09/17/2008 Puget Island Puget Island 11/13/2008 Kalama Kalama 12/09/2008
Lwr. Desdemona Lwr. Desdemona 12/01/2008 Wauna Driscoll Wauna Driscoll 11/12/2008 Lwr. Martin Lwr. Martin 12/08/2008
Upr. Desdemona Upr. Desdemona 12/01/2008 Westport Westport 11/04/2008 Upr. Martin Upr. Martin 12/04/2008
Flavel Flavel 12/04/2008 Eureka Eureka 12/17/2008 St. Helens St. Helens 12/09/2008
Upper Sands Upper Sands 12/03/2008 Gull Island Gull Island 12/16/2008 Warrior Rock Warrior Rock 12/08/2008
Tongue Point Tongue Point 12/04/2008 Stella Fisher Stella Fisher 12/15/2008 Henrici Henrici 12/04/2008
Miller Sands Miller Sands 12/10/2008 Walker Island Walker Island

12/11/2008

 Willow Willow 12/02/2008
Pillar Rock Pillar Rock 12/10/2008 Slaughters Slaughters 12/10/2008 Morgan Morgan 12/02/2008
Brookfield Brookfield 12/15/2008 Lwr. Dobelbower Lwr. Dobelbower 12/09/2008 Lwr. Vancouver Lwr. Vancouver 11/20/2008
Skamokawa Skamokawa 12/18/2008 Upr. Dobelbower Upr. Dobelbower 12/09/2008 Vancouver T.B. Vancouver T.B.

11/19/2008

Willamette #1 Willamette #1 09/04/2008 Willamette #2 Willamette #2 08/18/2008 Willamette #3 Willamette #3 09/08/2008

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Columbia and Lower Willamette River Cross-Line Data

Click on the desired file to download.

XYZ Data Date of Survey XYZ Data Date of Survey XYZ Data Date of Survey
All Crosslines Puget Island 4/30/2008 Kalama 4/08/2008
Lwr. Desdemona 3/06/2008 Wauna Driscoll 4/02/2008 Lwr. Martin 4/10/2008
Upr. Desdemona 3/06/2008 Westport 5/01/2008 Upr. Martin 4/02/2008
Flavel 1/09/2008 Eureka

3/05/2008

 St. Helens 4/10/2008
Upper Sands 1/08/2008 Gull Island 3/05/2008 Warrior Rock 4/01/2008
Tongue Point 3/17/2008 Stella Fisher 3/06/2008 Henrici

3/31/2008

Miller Sands 4/28/2008 Walker Island 3/10/2008 Willow 4/03/2008
Pillar Rock 3/18/2008 Slaughters 3/11/2008 Morgan 3/27/2008
Brookfield 3/31/2008 Lwr. Dobelbower 4/08/2008 Lwr. Vancouver 3/24/2008
Skamokawa 4/29/2008 Upr. Dobelbower 4/08/2008 Vancouver T.B. 3/24/2008
Willamette #1 8/02/2005 Willamette #2 8/03/2005 Willamette #3 8/04/2005

Columbia River - Vancouver to Bonneville Dam
1 UPPER VANCOUVER BAR 23 April 2008
2 AIRPORT BAR 23 April 2008
3 GOVERNMENT ISLAND REACH 02 June 2008
4 LADY ISLAND RANGES 04 June 2008
5 WASHOUGAL RANGES 19 June 2008
6 REED ISLAND 24 June 2008
7 CAPE HORN 26 June 2008
8 FASHION REEF 30 June 2008
9 MULTNOMAH FALLS 1 July 2008
10 WARRENDALE CHANNEL 23 May 2007
11 BONNEVILLE DAM 1:5000 23 May 2007

Content POC: Cathy Palacios, 503-808-4363 | Technical POC: NWP Webmaster | Last updated: 1/7/2009 10:36:01 AM

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