Water at five hundred gallons per minute was seventy tons of dynamic mass arriving every hour. It didn’t tolerate pause.
At high noon on Eagle Peak, Giles Croft turned the heavy cast-iron hand-wheel.
The threaded bronze screw groaned inside its greased collar. With a heavy, sucking hiss, the three-inch oak water gate lifted four inches from its granite doorstep.
A jet of mountain water, cold as ice and clear as diamond, burst through the opening.
The water struck the volcanic cement concrete invert of the intake water chute with a sharp, hollow crack.
For five seconds, the torrent surged against the concrete guide walls, foaming white as it negotiated the shift chute. Then it settled into a smooth, glassy ribbon four inches deep, gliding down the one-in-five-hundred slope at a clean, steady speed of three point four feet per second.
Giles dropped a small red-painted wooden sphere into the current and clicked the release pin on his brass pocket watch.
“Speed: three point four feet per second,” Giles said. He walked along the raised narrow high walkway beside the rushing channel. “Froude number is zero point six. Subcritical smooth-flowing flow. Zero high-pressure jump. The water will reach the town forum in exactly fifty-two minutes.”
Toby Karr ran ahead along the high stone aqueduct, his chalk-reel bouncing at his hip. It shouted down to the valley floor like a herald of the dawn.
“The water is running!” Toby called, his voice carrying on the wind. “The mountain is coming down! The mountain is coming down!”
Behind the fountain wall in the settlement, Giles had built a formal castellum aquae—a town spreading pool.
It was a vaulted stone chamber divided into three parallel compartments by internal stonework weirs.
The central compartment fed the public drinking basins in the forum. The left compartment fed the hypocaust bathhouse and public latrines. The right compartment delivered water to the heavy-duty grist mill and Pippa’s brewing vats.
“Triple-tier high-pressure partition,” Giles had explained to Lady Millicent during the construction. “If a severe winter freeze or drought reduces the spring flow, the side weirs run dry first. The public drinking supply retains high-pressure priority under all conditions.”
Below, in the central forum of Grey Crag, all three hundred and sixty-five residents of the town had gathered around the new end-post fountain.
The fountain was a massive half-round nymphaeum of dressed gray granite, twelve feet wide and six feet high. It was built into the bedrock face at the end of the Decumanus. Above the fountain rose three carved lion-head spouts of cast bronze, forged by Borin Bronze-Lung from scrap bells and bronze carriage fittings.
Sister Teresa stood on the fountain rim. She held her brass slurry lance high above her head.
Beside her, Mistress Pippa the Fermenter clutched her copper testing vial. She stared nervously at the dry bronze mouths.
“Fifty minutes,” Kenneth Drake called from the gatehouse tower, checking the sun. “Toby’s signal flag is up on Pier Thirty.”
A hush fell over the crowd.
Even the children stopped chasing geese. Hardened quarrymen, refugee mothers, and veteran soldiers stood in total silence, listening.
From the northern cliffs came a sound.
At first, it was like the whisper of dry autumn leaves in a gale. Then it deepened into a rhythmic, rushing hiss. A cool, ringing hum that shook through the forty stone arches of the aqueduct.
Then came the smell.
It wasn’t the rank, marshy stench of the river bog. It was the scent of pure, snow-fed mountain air. It was clean ozone, cold quartz, and crushed pine needles, carried on a wave of cold mist.
Inside the high stone channel above the gatehouse, the front of the surge arrived.
The red wooden ball tumbled through the end-post weir into the castellum chamber.
A second later, with a glorious, booming roar of displaced air, three solid streams of crystal-clear mountain water erupted from the three bronze lion mouths.
The water arched through the air in glistening, diamond arcs, crashing into the granite basin below with an amazing, thunderous splash.
Spray erupted across the forum. It caught the noon sun to form a brilliant, shimmering rainbow above the stone rim.
The silence broke into an explosion of pure, weeping euphoria.
Three hundred and sixty-five settlers surged forward, cheering, laughing, and shouting. Mothers held their babies up to catch the cold mist on their cheeks. Men threw their woolen caps into the air.
Sister Teresa dipped both hands into the roaring basin, tears streaming down her smiling face as she splashed the sparkling water over her head.
“The curse of the swamp is broken,” Teresa cried, her voice ringing clear over the roar of the fountain. “Pure water from the ribs of the world. A river that falls from the sky and never runs dry.”
Mistress Pippa plunged her copper vial into the basin. She held it to the sun, dropped her hydrometer into the tube. Then she tasted a drop on her tongue.
Her eyes lit with radiant joy.
“Specific gravity: one point zero,” Pippa shouted, turning to the crowd. “Zero tannin. Sweet as rain. The beer of Grey Crag will be the envy of the Empire.”
Giles arrived at the end-post terrace, his coat buttoned tight, holding his clipboard.
He leaned over the basin coping, checking the overflow weir with his brass rule.
“Discharge rate: five hundred and twenty gallons per minute,” Giles said in his standard calm flat voice. “Twelve percent above design baseline due to favorable spring recharge. Overflow channels are running within envelope. Surplus water is currently routed to the hypocaust baths and the mill raceway.”
Lady Millicent stood beside him, her glasses slightly fogged by the fountain’s spray.
She opened her ledger and made a crisp, black ink stroke. “Zero buckets carried. Twenty-four man-hours per day saved in water haulage alone. And the settlement water security rating has climbed to three thousand citizens.”
She looked at Giles with a quiet, knowing smile. “Not bad for an engineer who claims he’s merely maintaining camp public works.”
“It’s standard town water spreading, Millicent,” Giles replied, though a rare, faint flicker of satisfaction touched the corners of his mouth. “Nothing more.”
The settlers began filling wooden buckets, earthen jugs, and copper kettles, marvelling at how cold and sweet the mountain runoff tasted.
Old Mother Mallow drank three cupfuls without stopping, wiping her chin with a trembling sleeve. “Sweet as milk,” the old woman whispered. “No bog mud. No dead moss.”
Dob, the limping conscript who had tended the triplines through the winter, sat on the fountain curb with his boots off. That let the cold overflow splash across his scarred ankles.
“No more hauling buckets up the river bluff,” Dob said, shaking his head. “My back has forgotten what it feels like to be straight. The Lord Master builder has brought the mountain right into the street.”
Before the settlers could begin their feast, the sharp, violent whistle of split air tore through the plaza.
THWACK!
An arrow struck the heavy oak pillar of the fountain pergola, three inches from Giles’s head.
The shaft was a four-foot war bolt of black ash, fletched with the crimson feathers of a mountain vulture. Its iron head was wrapped in a strip of red, blood-stained linen.
The crowd froze. The laughing and cheering died instantly, replaced by a cold, choking silence.
Kenneth Drake moved in a heartbeat. His trench-sword cleared its sword sheath with a metal rasp, and six town guards formed a shield-wall in front of Giles and Millicent.
“Sniper on the ridge,” Kenneth barked.
“No sniper,” Hollis Reed said, pointing to the high granite crag above the gatehouse. “A mounted scout. He fired from five hundred yards with a mountain reflex bow. He has already turned horse.”
Giles stepped calmly around Kenneth’s shield. He reached out and grasped the black arrow shaft. He pulled it free from the oak timber with a sharp twist.
He unwrapped the strip of red linen.
Written upon the coarse cloth in crude, jagged charcoal letters was an official ultimatum:
TO THE EXILE GILES CROFT: YOU TOOK MY KNIGHT. YOU BROKE MY ROAD. YOU DARE TO BUILD A Castle IN MY HUNTING GROUND. I MARCH WITH FIVE HUNDRED AXES, THREE IRON RAMS, AND TWO ENGINES OF FIRE. DELIVER TWENTY THOUSAND GOLD SOVEREIGNS, ALL YOUR IRON, AND GARETH IN CHAINS BY MIDWINTER. REFUSE, AND WE WILL TEAR DOWN YOUR STONE BRIDGES, BUTCHER YOUR MEN, AND ROAST YOU OVER YOUR OWN LIME KILN. WARLORD BRONN OF THE BROKEN HORN
Kenneth read the message over Giles’s shoulder, his knuckles whitening around his sword handle.
“Midwinter,” Kenneth whispered. “Three weeks. Five hundred men and siege engines.”
Sir Gareth the Cleaver stood near the ditch, leaning on his gravel shovel. The disgraced knight stared at the blood-red cloth, his face pale and drawn.
“Bronn will do it,” Gareth muttered, his voice trembling. “He burned three keeps in the Western Marches. When his rams strike a gate, nothing stands. He will skin every man in this valley.”
Giles looked down at the charcoal words. Then he tossed the red rag into Sir Gareth’s wheelbarrow.
“Twenty thousand gold sovereigns,” Giles murmured, adjusting his slide rule. “An absurd demand based on zero economic realities. Their extortion models are hopelessly flawed.”
Giles turned to Gareth. “How many draft beasts does Bronn possess?”
“Eighty oxen and forty horses,” Gareth mumbled, confused by the question.
“Eighty oxen need eight hundred pounds of hay and four hundred gallons of water daily,” Giles calculated aloud. “In midwinter, with the grazing covered by snow, his supply train is consuming twelve percent of its own cargo capacity every three days. If we deny him foraging in the valley, his draft animals will starve before his siege towers reach our ditch.”
He turned back toward Kenneth.
“Kenneth, how tall are their siege towers?”
“Thirty feet, my lord,” Kenneth answered. “Heavy pine frames on iron-rimmed ox carts. They carry two fighting stages and a hinged drop-bridge.”
“And our aqueduct low roof wall stands at forty-two feet,” Giles said with clean, steady care. “We have the high ground, the water supply, and complete inside lines of comms. Now we need artillery.”
Borin Bronze-Lung stepped up. He knocked the waste scum from his iron pipe against the fountain coping. “I’ve got twenty coils of drawn spring-steel wire and six seasoned ash beams curing in the oil shed, Lord Giles. Tell me what to forge.”
“Twisting force skeins and hardened sabot bolts,” Giles replied. “We’re going to build high-tension springalds.”