| Public files | http://www.ngdc.noaa.gov/mgg/trk/trackline/united_geo_i/u771pr/mgd77/ |
|---|---|
| Supporting documentation or data | |
| Digital location | http://pubs.usgs.gov/of/1989/0167/report.pdf |
| Metadata | https://cmgds.marine.usgs.gov/metadata/pcmsc/798.xml |
| Activity | Equipment |
|---|---|
| 1971-007-FA | Echosounder Generic echosounder used to calculate water depth by measuring the time it takes for the acoustic signal to reach the bottom and the echo to return to the transducer. Used when the specific echosounder is either unknown, or more details are given in equipment usage. |
| Map | Name | Description |
|---|---|---|
| Map |