Geographic Distribution of U.S. Waterway Facilities1

  Atlantic Gulf Pacific
  Deep Shallow Deep Shallow Deep Shallow
Commercial facilities 1,489 607 1,427 820 1,353 371
   Cargo 810 225 828 338 653 161
   Service 498 288 496 387 624 177
   Unused 181 94 103 95 76 33
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 600 154 2,367 4,869 4,319 9,188
   Cargo 378 78 1,676 2,669 2,478 5,147
   Service 170 62 455 1,788 1,369 3,157
   Unused 52 14 236 412 472 884
Lock Sites2 3 20 137 6 224 230
Lock Chambers2 6 20 174 10 265 275

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 2002.

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