1825  (1916)  Having no sawed lumber or shingles, [we] will have to cut basswood staves and scoops.
1853  [A shanty is a building made with logs, higher in the front than in the back, making a fall to the roof, which is generally covered with troughs made of pine or bass-wood logs; the logs are first split fair in the middle, and hollowed out with the axe and adze. A row of these troughs is then laid from the front or upper wall-plate, sloping down to the back plate, the hollowed side uppermost. The covering troughs is [sic] then placed with the hollow reversed, either edge resting in the centre of the under trough.]
1891  The scoops are small logs hollowed out on one side and flat on the other. . . .
1935  He . . . stared at his ceiling of cedar scoops.
1964  Two long timbers from one end to the other, supported the scoops.