And the planetary blocks that made a planet's surface float on the zone of flowage-they determine the zone of fracture."
"Invaders from the Infinite"
John Wood Campbell
The added load had been sufficiently great, so that, with an already extant overload on this particular planetary block, this "boat" had sunk a bit further into the flowage zone, till it was once more at rest and balanced.
"Invaders from the Infinite"
John Wood Campbell
I'm going to be honest, and admit I can't do much with 'em so long as Britt and his gang control roll-dams, flowage, and the water for the driving-pitch the way they do.
"King Spruce, A Novel"
Holman Day