The eighteen items were grains, beans, borax, canned fruit, dried fruit, green fruit, hops, hides/pelts, lumber, leather, mustard seed, quicksilver, salmon, sugar, tea, wine/brandy, and wool.
For shipment of canned goods by clipper ship, Testimony of W. R. Wheeler, Report of the Industrial Commission on Transportation, vol. 9, 754. See Graphs A, B, and C below or in the appendix.

