The Corps Locks website shows hydrologic data and information about vessels operating in U.S. waterways that transited through a Corps owned or operated lock structure.
IENC's are available for download from the Army Geospatial Center's Inland Electronic Navigation Chart website. To download charts, click on the "Product Download" link, located on the right side of the page.
Note: You must have an electronic chart viewer capable of reading S57 data.
To purchase navigation charts online, click on the link above. Note: Enter the appropriate navigation system in the "Search the Online Bookstore" field, found in the upper-right corner of the page, then click on "Search".
You may also purchase navigation charts by calling the U.S. Government Printing Office toll-free at (866) 512-1800, Monday - Friday, from 8:00 a.m. to 5:30 p.m. EST. Or by mail order with the Government Printing Office order form. Payment can be made by check, money order, or major credit card.