USGS Public Lecture Series: A Field Trip to the Congo--Hydroacoustic measurements in "the river that swallows all rivers."
linkImagine yourself in central Africa, in a dugout canoe crossing the lower Congo Rive''s rapids and whirlpools. USGS scientist John Shelton found himself there this past summer, measuring places where the waters reached a depth of over 700 feet. His measurements indicate that the Congo River is perhaps the deepest river in the world!