Chief of Survey Section
20191202
Duxbury Harbor, Duxbury, Massachusetts
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.
20191120
None
As Needed
-070.669790
-070.657384
+42.039339
+42.025416
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
20191202
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: 8-Foot Channels and Anchorage
Area_of_Coverage: Entire Project Area
Type_of_Survey: Hydrographic Survey
Survey_File_Name: MA_33_DUX_20191120_CS_094.xyz
Associated_Data_File: MA_33_DUX_20191120_CS_094_A.xyz, MA_33_DUX_20191120_CS_094_Full.xyz
Data_File_Delimiter: Space
Team_Leader: Frederick Perry, Crew Chief
Survey_Manager: Chief of Survey Section
Project_Manager: Chief of Navigation
QA_Person: Zachary McAvoy
QA_Date: 20191202
Projected_Coordinate_System: State Plane NAD-83
Horizontal_Zone: MA-2001 MASSACHUSETTS MAINLAND
WGS-84
Units: US Survey Foot
Implied_Horizontal_Accuracy: +/- 1 Feet
Data_Transformation_Method: Point to Point Software
Tidal_Epoch: 1983-2001
Geoid_Model: Geoid 12B
Implied_Vertical_Accuracy: +/- 0.2 Feet
Vessel_Name: Popham Beach
Positioning_System: Real Time Kinematic (RTK)
System: ODOM MK 3 (Singlebeam)
Transducer_Beam_Angle: 3 Degrees (Single-beam)
Multi-beam_Swath_Width: N/A
Bin_Size: 20'
Shot_Selection_Method: Shoal
Shot_Positioning_Method: Point Positioning
Edited: Yes
Tide_Applied: Yes
Tide_Gauge_Location:
Controlling_Benchmarks:
Tide_Gauge_Application_Method: Direct
Squat_Applied: No
Squat_Application_Method:
Heave_Applied: Yes
Heave_Application_Method: Real Time Kinematic (RTK)
Pitch_Roll_Applied: Yes
Topographic_Data_Included: No
Topographic_Method: N/A