The basin has a depth of 20 feet at mean low tide.
At high tide the channel has a depth of some 53 feet (16 metres).
The lake has a depth of about 525 feet (160 metres).
Rescuers will also dive to find debris and remains in the sea, which has a depth of about 114 feet.
On the Rhône the lock at Donzère-Mondragon has a depth of 80 feet; in Portugal, where the Douro was being developed in the early 1970s for power and navigation, the Carrapatelo Lock has a depth of 114 feet.
But that word has a depth of meaning that most musicians would probably like to skip altogether.
A company that's been around for 100 years has a depth of resources that I can't match.
It has a depth of characterisation that goes way beyond anything found in The Damned United or The King's Speech.
"By contrast, our unique system has a depth of only 100mm but can be as large as the area of AstroTurf required".
"Great Plains has a depth of expertise in business-process applications and services which Microsoft doesn't have," said Jeff Raikes, who leads Microsoft's Productivity and Business Services Group.
The reservoir, which has a depth of 300 feet (90 metres) and averages 14 miles (22 km) in width, supports a fishing industry.
