The sources of the Don interlace with the tributaries of the Oka, while the upper tributaries of the Kama join those of the N.
During floods they pour over their banks upon the surrounding valleys, by a thousand channels which interlace and establish communication between the main streams. After numerous bifurcations they find their way into the sea by three principal mouths.
Innumerable little streams overlap and interlace one with another, exhibiting a sort of hybrid product, which obeys half way the law of currents, and half way that of vegetation.
And a breadth of 30 ft., and they are trained to interlace one of the windows.