Shipments of stone on the Great Lakes totaled 359,880 net tons in March, an increase of 85,000 tons compared to a year ago. The mild winter did allow some ports to resume operations a bit earlier this year.
March 2000 | March 1999 | |
| U.S. Ports | 260,510 | 275,643 |
| Canadian Ports | 99,370 | 0 |
Total | 359,880 | 275,643 |