June 11, 2019: added Post at Spadra Bluffs.
July 21, 2019: revised Fort St. Vrain, Fort Jackson, Buzzards' Roost, Gantt's Fort, Fort William.
March 30, 2019: updated Camp Niantic.
DISTRICT OF COLUMBIA
August 18, 2019: added Florida Keys WWII Shore Patrol Camps, Camp Homestead, Camp Belle Haven.
January 25, 2019: added Shell Bluff Battery.
August 17, 2019: added Camp Brunswick.
June 1, 2019: revised Fort de Cavagnial, Fort Leavenworth.
July 8, 2019: revised Kansas River Post, Marais des Cygnes Post (1). Added Kickapoo Post, Shawnee Post, Four Houses, Horseshoe Lake Post, Mission Creek Post, Council Grove Post, Meyers' Post, Potawatomie Creek Post, Williams' Post, Paul Liguest Chouteau's Post.
January 25, 2019: added Camp Emory, Camp Misery, Camp Love.
June 30, 2019: added Camp Pierce.
June 11, 2019: added Marais des Cygnes Post.
June 30, 2019: added François Chouteau's Post, Nishnabotna Post.
July 8, 2019: added Chouteau's Landing, Papinsville.
August 12, 2019: added Hammell's Post (1), Hammell's Post (2), Kootenai Post (1), Fort Howse (1). Revised Fort Assiniboine (1), Fort Charles, Fort Jackson, Flathead Post (1).
July 13, 2019: added Cerré's Post, Papin's Post, Pratte and Vasquez' Post, Campbell's Post, Morrow's Post, Beauvais' Post, Chadron Creek Post. Revised Ponca Indian Fort (1), Robidoux Pass Trading Posts.
January 25, 2019: added Camp Wissahickon, Palermo Radar Station.
February 1, 2019: added Price's Blockhouse, Hanford's Blockhouse.
August 6, 2019: added Gerard's Post, Dauphin House, White Earth River Posts. Revised Pembina House, Fort Manuel (1), Fort Berthold (1), Fort Berthold (2), Fort Kipp, Fort Union (2), Fort William (2).
NORTHERN MARIANA ISLANDS
July 6, 2019: added Verdigris River Post, Pryor's Post, Bogy's Post, Love's Post. Revised Neosho Post (1), Grand River Post, Glenn's Post, Three Forks Post, Wigwam Neosho.
PANAMA CANAL ZONE
February 9, 2019: revised and expanded Pioneer Settlement Forts of Western Pennsylvania for Greene County (and some in Washington County).
January 25, 2019: added Camp Bagley. Revised Fort Fair Lawn.
August 17, 2019: added Camp Georgetown.
August 4, 2019: added Rondell's Post (2), James River Post (2), Elk Point Post, James River Post (3), LeClerc's Post (1), Handy's Point Post, Crow Creek Post, Heney's Post, Little Bend Trade Posts, LeClerc's Post (2), Ancient Indian Fortress, Juett's Post, White River Post (b).. Revised Fort Recovery, Immell's Post, Fort Lookout (2), Fort Kiowa, Loisel's Post (1), Arikara Post (2), Tabeau's Post, Vallé's Post, Fort Tecumseh.
August 15, 2019: revised Vermillion Post (1).
February 8, 2019: added Fort Palmer (2).
February 16, 2019: revised Civil War Defenses of Loudon.
U.S. VIRGIN ISLANDS
July 21, 2019: revised Camp Oyster. Added Camp Exmore.
July 24, 2019: added Drip's Post, Bisonette's Post, Fort Adams, Lock and Randolph's Trade Post, Moncravie House. Revised Fort Bernard, Fort Laramie, Fort Bonneville.
August 12, 2019: added Rawhide Creek Post.
PRINCE EDWARD ISLAND
June 25, 2019: revised Fort Augustus, and added Battery at St. Pierre, Scotch Fort, French Fort.
ST. PIERRE and MIQUELON
February 1, 2019: extensive revisions and additions throughout.
CANADIAN SHIPS and SHIPYARDS