River mist curled against the leaded oilcloth panes of the Old Lockman’s Tavern. He smelled of salt cod, damp river wooden support posts, and stale dark porter spilled into the floorboards over sixty winters. At six in the morning, only the coal trimmer and three retired water gate keepers sat beside the peat fire bowl, warming their knotted knuckles around heavy clay mugs. Pella Rook stood at the long frame stand table near the window, unrolling a linen-backed town flood easement chart dated 1740, weighting its corners with Hal Rook’s brass measuring tongs and a heavy horn inkpot.
Her eyelids stung from a sleepless night beside the washroom lead trap. The wool hem of her apprentice coat was stiff with dried gray silt from the Southern Dungeon under-road drain. Yet her fingers remained steady as she traced the faded vermilion ink marking the western bridge pillar of the Great Weir. Across the table, eighty-year-old Master Karr leaned forward on his ash stick, his left eye milky from an ancient burning lime powder splash, his right eye sharp and wet as he followed the taper of her brass divider.
Pella tapped the western channel drawn beneath the foundation of the old Ferry Museum. ‘The academy survey claims this gallery was a dead-end quarry drift filled with rubble during the reign of Duke Vane,’ she said quietly. ‘But the sound pressure waves we recorded in the laundry waste main show a forty-foot ringing cavity taking the rebound of the river. How deep…
