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Survey coverages

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survey_id data_owner year date_start date_end depth_sensor logged_backscatter logged_water_column survey_method total_area normalised_area quality_specification resolution modeled financier data_quality target_resolution
57e41410-450e-4b70-99b5-873ff3ba54ed Kartverket 1990 1990-09-17 1990-10-03 Simrad EQ False False single beam with shoals 35.00000 None S-44 3 None False None 4 94
5810d814-7f7e-49e5-b80d-c9021da54403 Kartverket 2022 2022-08-09 2022-08-10 EM 2040 False False multibeam 12.44000 72.14000 NHS general None False None 1 1
581589ef-a809-44ac-9662-8ea0f916b4bc Kartverket 2019 2019-01-27 2019-01-31 EM 712 True False multibeam None None undefined None False None 1 None
5820a24a-d921-4652-b63d-685d35a5cc59 Kartverket 2003 2002-12-31 2003-08-31 EM 3000 False False multibeam 2.00000 None S-44 1 2 True None 2 1
58254e27-abb1-4f99-adb4-891a4e2dae03 Kartverket 1958 1953-06-30 1958-06-11 Kelvin Huges MS21R, hand lead False False single beam with shoals 38.35600 None S-44 3 None False None 4 200
582e91c3-2d51-4753-b49b-2185cc71454b Norske Shell AS 2013 2013-09-01 2013-09-01 EM 3002 Single True False multibeam 0.05300 0.00000 NHS harbor and fairway 1 True None 1 1
5830992e-254d-4318-80d5-ed3f4a48db9a Kartverket 2025 2025-05-17 2025-05-28 EM 712 True True multibeam 289.74000 95.67000 NHS MAREANO 5 True Mareano 1 16
5838babb-2716-4917-b06e-5802bd432e46 Kartverket 2024 2024-08-10 2024-08-15 None True False multibeam 44.30000 37.30000 None None False None None 4
583c7057-4863-441a-ab4a-c43b723d7ab2 Kartverket 2023 2022-05-30 2023-05-16 EM 2040 True False multibeam 10.49000 64.90900 NHS general None False None 1 1
583e5a1d-0299-46ff-ac0d-c379774740df NGU 1999 1999-04-29 1999-05-04 EM 1002 True False multibeam 931.00000 0.00000 S-44 2 10 True None 2 32