A pair of SD70's lead this Englewood, TX, to South St. Paul, MN, freight that has slowed up for the curves and diamond at Iowa Falls. The train passes over the branch the UP that runs over to Alden. The branch passes under the CN Waterloo Sub in a small tunnel like structure behind the 2nd unit. Luck would have it they ran out to Alden this Sunday, but we didn't get them coming back. The EWSS will cross the CN at Mills Tower here in about a mile, and continue onto Mason City for the next crew change point.