It had narrow twisting lanes, some with a ditch down the middle for water runoff.
"Our Legal Heritage, 4th Ed."
S. A. Reilly
Of all the water falling on the surface, some may not go below the surface at all but may immediately evaporate or join the runoff-that is, the surface streams.
"The Economic Aspect of Geology"
C. K. Leith
Another part may penetrate a little distance into the zone of weathering and then join the runoff.
"The Economic Aspect of Geology"
C. K. Leith