Published May 01, 2012, 12:00 AM
Shipping traffic for Tuesday, May 1, 2012
DULUTH ENTRY Morning: Cason J. Callaway, departing for Two Harbors; Arthur M. Anderson, arriving to unload limestone; Algoma Progress, departing with iron ore pellets Evening/night: Virginiaborg, departing with grain; American Century, arriving to load coal
