Geographic Distribution of U.S. Waterway Facilities1

  Atlantic Gulf Pacific
  Deep Shallow Deep Shallow Deep Shallow
Commercial facilities 1,489 607 1,333 1,003 1,257 499
   Cargo 810 225 808 438 624 210
   Service 498 288 451 489 544 255
   Unused 181 94 74 76 89 34
Lock Sites2 0 14 1 44 2 9
Lock Chambers2 0 14 1 44 3 13


  Great Lakes Inland Total  
  Deep Shallow Shallow Deep Shallow All
Commercial facilities 611 143 2,367 4,690 4,619 9,309
   Cargo 393 70 1,676 2,635 2,619 5,254
   Service 167 59 455 1,660 1,546 3,206
   Unused 51 14 236 395 454 849
Lock Sites2 3 20 137 6 224 230
Lock Chambers2 6 20 175 10 266 276

1. Waterways greater than 12 feet (except for the 14-15 foot portions of the Columbia and Snake rivers) are classified as deep draft.
2. Locks, including 5 control structures, owned and/or operated by the U.S. Army Corps of Engineers in 2000.

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