Analysis of information sources in references of the Wikipedia article "Intracoastal Waterway" in English language version.
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: CS1 maint: archived copy as title (link) "Alperin, Lynn M., History of the Gulf Intracoastal Waterway, pp. 48–50, National Waterways Study, U.S. Army Water Resource Support Center, Institute for Water Resources, 1983"{{cite web}}
: CS1 maint: archived copy as title (link) "Alperin, Lynn M., History of the Gulf Intracoastal Waterway, pp. 48–50, National Waterways Study, U.S. Army Water Resource Support Center, Institute for Water Resources, 1983"