Figure 2: Illustration of Inland Waterways Barge Traffic Descending through a Lock at Dam Site

Uploaded by U.S. Government Accountability Office
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Date uploaded 2016-08-26
Tags gao, governmentaccountabilityoffice, usgovernmentaccountabilityoffice, usgao, unitedstatesgovernmentaccountabilityoffice, government, congress, watchdog, oversight, governmentwatchdog, gao16682, inlandwaterwaysfueltax, 1978act, inlandwaterwaysrevenueactof1978, 1986act, waterresourcesdevelopmentactof1986, corps, usarmycorpsofengineers, gps, globalpositioningsystem, irs, internalrevenueservice, dams, locks, barges, towboats
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