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This is an official DWR Image Service, which meets all appropriate requirements of the DWR Spatial Data Standards, specifically the DWR Spatial Data Standard version 3.6, dated September 27, 2023. This archived dataset was developed by DWR for its internal use. This data is not suitable for property boundary determination, construction layout, legal descriptions, or any other professional land surveying or legal purpose. The data represents estimates of past conditions and measurements, may contain errors, and is no longer representative of current conditions. Neither the State of California, its agents, nor its employees, make any warranty, representation or guarantee, express or implied; nor assumes any liability or responsibility for the accuracy, completeness, or usefulness of this data. This Image Service was published by Bianca Pertl of the DWR Division of Engineering, who may be contacted at 916-757-3593, or at bianca.pertl@water.ca.gov. Comments, problems, improvements, updates, or suggestions should be forwarded to the official DWR point of contact as available and appropriate.<\/SPAN><\/P>

The California Department of Water Resources, North Central Region Office (NCRO), conducted a bathymetric survey of the Five Points area, including parts of Grant Line Canal, Doughty Cut, Old River, Paradise Cut, and Sugar Cut, for the South Delta Branch of the Bay Delta Office for use in flow circulation and water quality studies. The NCRO S/V Oquawka, outfitted with a multibeam echosounder, was used for this survey. <\/SPAN><\/P>

\u2022 Field Dates: June 26th 2013, June 27th 2013, June 28th 2013, July 15th 2013, July 16th 2013, July 23rd 2013, July 24th 2013 <\/SPAN><\/P>

\u2022 Survey Type: Multibeam <\/SPAN><\/P>

\u2022 Data Density: 3 foot grid <\/SPAN><\/P>

\u2022 Horizontal Datum: North American Datum of 1983 (NAD83) California Coordinate System (CCS83) State Plane Zone 3, US feet <\/SPAN><\/P>

\u2022 Vertical Datum: North American Vertical Datum of 1988 (NAVD88) geoid 09, US feet <\/SPAN><\/P>

\u2022 Processing Epoch: 2013.562; CSRC Datum Epoch: Epoch 2010.00 <\/SPAN><\/P>

\u2022 Related Datasets: 2017 Middle River @ Old River, 2017 Old River @ San Joaquin, 2018 Old River @ Five Points SB, 2018 Old River, 2022 Old River @ Union Island, 2022 Grant Line Canal SB, 2022 Middle River South SB, 2022 Middle River South SB, 2022 Old River East SB, 2022 Paradise Cut SB, 2022 Grant Line Canal, 2022 Old River, 2023 Old River, 2023 Old River @ Sugar Cut, 2023 Grant Line Canal, 2023 Old River @ Paradise Cut, 2023 Middle River South SB, 2024 Middle River @ Undine, 2024 Grant Line Canal, 2025 Grant Line Canal, 2025 Sugar Cut <\/SPAN><\/P>

\u2022 Involved Staff: Data collected and processed by NCRO Bathymetry and Hydrography sections <\/SPAN><\/P>

\u2022 Survey Responsible Charge: Jacob Wright, PLS (CA 8717) <\/SPAN><\/P>

<\/SPAN><\/P>

Please see associated survey report for full control and QC check details. <\/SPAN><\/P>

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