[UNDER-1 5 c.] Underground drainage.
1810. Sporting Mag., XXXV. 23. The System of under-drainage in the neighbourhood of Edgwarebury.
1898. Yearbk. U. S. Dept. Agric., 504. A proper system of under-drainage.
[UNDER-1 5 c.] Underground drainage.
1810. Sporting Mag., XXXV. 23. The System of under-drainage in the neighbourhood of Edgwarebury.
1898. Yearbk. U. S. Dept. Agric., 504. A proper system of under-drainage.