Field Activity J483HB

Identifier J483HB
Alternate names J-4-83-HB
Purpose To conduct a survey of the underwater exterior and related features of both Humboldt Bay jetties and the Crescent City Outer Breakwater.
Description Chief Scientist: John Dingler. Geophysical data (bathymetry, sidescansonar, uniboom, subbottomprofiler) of field activity J-4-83-HB in Humboldt Bay, California from 08/16/1983 to 08/19/1983
Location California
Info derived Bathymetry map, side scan sonar, subbottom profiles, location maps.
Comments Contract work performed by the USGS for the U.S. Army Engineer District Los Angeles, CA. Staff information imported from InfoBank John Dingler (USGS Western Region) - Chief Scientist
David Johnston
Length 43 feet; beam 14 feet.
Start (port not specified) 1983-08-16
End (port not specified) 1983-08-23
West -124.247
East -124.21581
North 40.77624
South 40.7374
Activity Geophysical


Principal investigators Dingler, John
Crew members

Data types and categories

Data category: Location-Elevation, Seismics, Sonar
Data type: Navigation, Boomer, Sub Bottom Profiler, Sidescan, Single Beam

Equipment used

Equipment Usage description Data types Datasets
uniboom Boomer (no data reported)
sidescansonar Sidescan 1
subbottomprofiler Sub Bottom Profiler (no data reported)
navigation Navigation 7
bathymetry Single Beam 4



Samples collected during this field activity