Revision Date	State	Canal	Summary of changes
May, 2026	N.J.	Morris	Added and/or deleted, revised links.
Apr., 2026	N.J.	Morris	Added and/or deleted, revised links.
Oct., 2025	Indiana	General	Added and/or deleted, revised links.
Oct., 2025	Indiana	Whitewater	Added and/or deleted, revised links.
Oct., 2025	Indiana	Wabash & Erie	Added and/or deleted, revised links.
Sept., 2025	Indiana	Crosscut	Added and/or deleted, revised links.
Sept., 2025	Indiana	Ohio Falls	Added and/or deleted, revised links.
Sept., 2025	Indiana	Central	Added and/or deleted, revised links.
Sept., 2025	Indiana	Wabash & Erie maps	Added maps
Sept., 2025	U.S.	General	Added and/or deleted, revised links.
Sept., 2025	Virginia	James River & Kahawha	Added and/or deleted, revised links.
Sept., 2025	Virginia	Dutch Gap	Added and/or deleted, revised links.
Sept., 2025	Ohio	General	Added and/or deleted, revised links.
Sept., 2025	Ohio	Walhonding	Added and/or deleted, revised links.
Sept., 2025	Ohio	Ohio & Erie	Added and/or deleted, revised links.
Sept., 2025	Ohio	Miami & Erie	Added and/or deleted, revised links.
Sept., 2025	Ohio	Cincinnati & Whitewater	Added and/or deleted, revised links.
Sept., 2025	N. Carolina	Roanoke Navigation	Added and/or deleted, revised links.
Sept., 2025	Mass.	Middlesex	Added and/or deleted, revised links.
Sept., 2025	Maryland	Stewart's	New
Sept., 2025	Maryland	C & O	Added and/or deleted, revised links.
Sept., 2025	Maine	Cumberland & Oxford	Added and/or deleted, revised links.
Sept., 2025	Kentucky	Louisville & Portland	Added and/or deleted, revised links.
Sept., 2025	Illinois	Illinois & Michigan	Added and/or deleted, revised links.
Sept., 2025	Illinois	Hennepin	Added and/or deleted, revised links.
Sept., 2025	Georgia	Savannah & Ogeechee	Added and/or deleted, revised links.
Sept., 2025	Florida	Waldo & Santa Fe	New
Sept., 2025	Delaware	Chesapeake & Delaware	Added and/or deleted, revised links.
July, 2025	New Jersey	General	Added and/or deleted, revised links.
July, 2025	New Jersey	Washington	Added map
July, 2025	New Jersey	Tuxedo-Ringwood	Added and/or deleted, revised links.
July, 2025	New Jersey	Trenton Water Power	Added map
July, 2025	New Jersey	Smithville	Added and/or deleted, revised links.
June, 2025	New Jersey	Morris	Added and/or deleted, revised links.
June, 2025	New Jersey	Dundee	Added map
June, 2025	New Jersey	Delaware & Raritan	Added and/or deleted, revised links.
June, 2025	New Jersey	Allaire	Added and/or deleted, revised links.
June, 2025	Ohio	Index	Add Trenton Feeder
June, 2025	Ohio	Trenton Feeder	New
June, 2025	Ohio	Sandy & Beaver maps	Added map
June, 2025	Ohio	Sandy & Beaver	Added and/or deleted, revised links.
June, 2025	Ohio	Penn. & Ohio	Added and/or deleted, revised links.
June, 2025	Ohio	Ohio & Erie maps	Added maps
June, 2025	Ohio	Ohio & Erie	Added and/or deleted, revised links.
June, 2025	Ohio	Miami & Erie maps	Added map
June, 2025	Ind.	Wabash & Erie	Added and/or deleted, revised links.
June, 2025	Penn.	State Canal - Suequehanna Div. maps	Added maps
June, 2025	Penn.	Beaver & Erie: Erie Extension	Added map
June, 2025	New York	General	Added and/or deleted, revised links
June, 2025	New York	Main & Hamburg	Added and/or deleted, revised links.  Added map.
June, 2025	New York	Ledyard	Added a map
June, 2025	New York	Evans	Added a map
June, 2025	New York	Erie Canal - 3	Added and/or deleted, revised links
June, 2025	New York	Clark & Skinner	Added a map
June, 2025	New York	City Ship	Added a map
June, 2025	New York	Buffalo Hydraulics	Added and/or deleted, revised links
June, 2025	New York	Index	Added link to Fayetteville Feeder Canal
May, 2025	Maryland	C&O	Corrected broken link
May, 2025	Ind.	Whitewater	Added and/or deleted, revised links
May, 2025	Ind.	Wabash & Erie	Added and/or deleted, revised links
May, 2025	Ind.	Cross Cut	Added and/or deleted, revised links
May, 2025	Ind.	Central	Added and/or deleted, revised links
May, 2025	Ind.	Index	Deleted Richmond-Brookville Canal (never completed)
May, 2025	Ind.	Whitewater	Added and/or deleted, revised links
May, 2025	Ind.	Wabash & Erie	Added and/or deleted, revised links
May, 2025	Ind.	Ohio Falls	Added and/or deleted, revised links
May, 2025	Ind.	Central	Added and/or deleted, revised links
May, 2025	N.H.	Index	Deleted Nashua Mfg. Co. Canal
May, 2025	General		Added and/or deleted, revised links.
May, 2025	Wis.	Yahara River System	Added and/or deleted, revised links.
May, 2025	Wis.	Sturgeon Bay	Added and/or deleted, revised links.  Added map.
May, 2025	Wis.	Portage	Added and/or deleted, revised links.  Added map.
May, 2025	Wis.	Oconomowoc Lock	Added and/or deleted, revised links.
May, 2025	Wis.	Milwaukee and River Rock	Added and/or deleted, revised links.
May, 2025	Wis.	Fox-Wisconsin River Navigation	Added and/or deleted, revised links.  Added map.
May, 2025	W. Virginia	Shenandoah Canal	Added and/or deleted, revised links.
May, 2025	W. Virginia	Little Kanawha Navigation	Added and/or deleted, revised links.
May, 2025	W. Virginia	Guyandotte Navigation	Added and/or deleted, revised links.
May, 2025	W. Virginia	Great Kanawha Navigation	Added and/or deleted, revised links.
May, 2025	W. Virginia	Coal River Navigation	Added and/or deleted, revised links.  Added map.
April, 2025	W. Virginia	Armory	Added and/or deleted, revised links.
April, 2025	Virginia	General	Added and/or deleted, revised links.
April, 2025	Virginia	Washington Ditch	Added and/or deleted, revised links.
April, 2025	Virginia	Union Mills	Added and/or deleted, revised links.
April, 2025	Virginia	Tuckahoe Creek	Added and/or deleted, revised links.
April, 2025	Virginia	Rivanna Navigation	Added and/or deleted, revised links.
April, 2025	Virginia	Rappahannock Navigation maps	New
April, 2025	Virginia	Rappahannock Navigation	Added and/or deleted, revised links.
April, 2025	Virginia	Pawtomack	Added and/or deleted, revised links.  Added map.
April, 2025	Virginia	North West	Added and/or deleted, revised links.
April, 2025	Virginia	North River	Added and/or deleted, revised links.
April, 2025	Virginia	Manchester	Added and/or deleted, revised links.  Added map.
April, 2025	Virginia	Kempsville	Deleted
April, 2025	Virginia	Junction	Deleted
April, 2025	Virginia	James River & Kanawha maps	New
April, 2025	Virginia	James River & Kanawha	Added and/or deleted, revised links.
April, 2025	Virginia	Haxall	Added and/or deleted, revised links.  Added map.
April, 2025	Virginia	Great Falls	Deleted.  See Pawtomack
April, 2025	Virginia	Goose Creek	Added and/or deleted, revised links.  Added maps.