pl23_theb3859.jpg
Description
3-D image from NOAA Exclusive Economic Zone Mapping Project.Astoria Channel - to the west of Oregon continental slope.Note small ridge-like structures running left to right in image.These are artifacts of sounding system and common on flat bottom.These artifacts are parallel to survey ship tracks
Credit
Captain Albert E. Theberge, NOAA Corps (ret.)
Display Date
1989
Location
South of Columbia River entrance
Collection
Voyage to Inner Space
Keywords
Charting
Soundings
Bathymetry
Multi-Beam