A gallon of water weighs 8 ½ pounds.
A gallon of water contains 231 cubic inches.
A cubic foot of water contains 7 ½ gals., 1728 cubic inches and weighs 62 ½ lbs.
In board measure all boards are assumed to be 1 inch thick. Area of a lineal foot multiplied by length in feet will give the surface contents in square feet.
Cal. Code Regs. Tit. 8, div. 1, ch. 4, subch. 4, app B Plate B-1