Chief of Survey Section 20200817 Johnsons River, Bridgeport, Connecticut A hydrographic survey of the federal navigation project. Soundings were taken at prescribed intervals to determine the current condition of the federal project. This data set is used for channel condition reports and project mapping. 20200814 None In Progress As Needed -073.169230 -073.162000 +41.171340 +41.164823 Theme_Keyword Hydrographic Theme_Keyword Topographic Theme_Keyword Orthometric Theme_Keyword Bathymetric Theme_Keyword Survey Theme_Keyword Sounding Theme_Keyword Point None The data represents the results of data collection and processing for a specific U.S. Army Corps of Engineers activity and indicates the general existing conditions. As such it is only valid for it's intended use, content, time and accuracy specifications. The user is responsible for the results of any application of the data for other than its intended purpose. Chief of Survey Section U.S. Army Corps of Engineers, New England District mailing
696 Virginia Road
Concord MA 01742-2751 978-318-8783 State_Plane_Coordinate_System SPCS_Zone_Identifier coordinate pair 0.01 0.01 MLLW 0.001 US Survey Foot Explicit elevation coordinate included with horizontal coordinates 0.001 US Survey Foot Explicit elevation coordinate included with horizontal coordinates 20200817 Chief of Survey Section U.S. Army Corps of Engineers, New England District mailing
696 Virginia Road
Concord MA 01742-2751 978-318-8783 FGDC Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998 Other_Information: Element_Name: 15-Foot and 9-Foot Channels Area_of_Coverage: Project full coverage from sta. 0+00 to sta. 36+13 Type_of_Survey: Hydrographic Survey Survey_File_Name: CT_29_BRH_20200814_CS_036.xyz Associated_Data_File: CT_29_BRH_20200814_CS_036_A.xyz, CT_29_BRH_20200814_CS_036_Full.xyz Data_File_Delimiter: Space Team_Leader: Michael Vadnais, Crew Chief Survey_Manager: Chief of Survey Section Project_Manager: Chief of Navigation QA_Person: Zachary S. McAvoy QA_Date: 20200817 Projected_Coordinate_System: State Plane NAD-83 Horizontal_Zone: CT-0600 CONNECTICUT WGS-84 Units: US Survey Foot Implied_Horizontal_Accuracy: +/- 1 Feet Data_Transformation_Method: Point to Point Software Tidal_Epoch: 1983-2001 Geoid_Model: Geoid12 B Implied_Vertical_Accuracy: +/- 0.2 Feet Vessel_Name: Celestial Positioning_System: Real Time Kinematic (RTK) System: R2 Sonic 2024 (Multibeam Sonar) Transducer_Beam_Angle: N/A Multi-beam_Swath_Width: 120 degrees Bin_Size: 20' Shot_Selection_Method: Shoal Shot_Positioning_Method: Point Positioning Edited: Yes Tide_Applied: Yes Tide_Gauge_Location: Controlling_Benchmarks: TBM Pleasure Island (2016) Tide_Gauge_Application_Method: N/A Squat_Applied: No Squat_Application_Method: Heave_Applied: Yes Heave_Application_Method: Real Time Kinematic (RTK) Pitch_Roll_Applied: Yes Topographic_Data_Included: Yes Topographic_Method: Ship mounted Lidar