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The Key Lock Report provides a monthly summary and year-to-date totals of commodity tonnages and barge traffic for key locks on the inland waterways. Key Lock Report
The Key Lock Legend includes a report description, list of locks by waterway, tables for report format, commodity codes, and district and division symbols. Locks by Waterway, Tons Locked by Commodity group, Calendar Years 1993-2007 Locks by Waterway, Lock Usage, Calendar Years 1993-2007 Locks by Waterway, Locks Unavailability,Calendar Years 1993-2007 The following reports provide year-to-date summaries and previous year comparisons of vessel traffic, commodity tonnage, tows and barges, delay times, and other statistics for each lock chamber. Introduction and definition of terms
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