On the clear, windless morning of Day 143, Kezra Venn prepared to close the final survey circuit of her life as an advancing map maker.
The dawn light broke cold and clean over the high crests of the Spine, washing across the frosted castle walls of Stonewake Citadel and turning the vast snowfields to the north into sheets of beaten silver. Kezra stood at the northwest corner of the 1,024-pace boundary. There, the ancient three-stepped terrace carved by the old survey corps met the sheer cliff edge falling away into the western gorge. In her leather tool satchel she carried an iron cold chisel forged from tool-grade steel, a heavy four-pound setting mallet. A carved wooden template bearing the threefold triangle mark of an outside anchor.
Beside her stood Fellis Dain. It carried the brass-bound measuring chain and a leather pouch of dry red chalk. Meanwhile, Yseld Arken leaned on her hooked climbing staff three paces back. She watched the sentry walks along the upper curtain wall.
Under the fourth binding rule of mapmaking, every approved parcel needed three cut-stone anchor marks carved into stable, outside bedrock just outside the moving outer edge. These marks didn’t move when the inside prism exchanged. They remained anchored to the permanent geographic map points of the earth, serving as the address pegs that governed the arrival and departure of the stone. If an anchor were damaged, covered by a landslide, or carved by hands other than the map maker’s own, the site would…
