Packing produce By Faith Finfrock | September 16, 2020 | Last updated on December 16, 2020 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Orange crates are stacked on end in two layers, with a third horizontal layer. The top of the load is kept below the openings in the bunker (note the full load of ice). Photo by Library of Congress