February 1, 2020: added Fort Sidney Johnston (1), Camp Garnett, Camp Moore, Cedar Point Battery. Revised Fort Stonewall, Fort Powell.
March 30, 2020: added Camp in Guadalupe Canyon.
June 25, 2020: added Joseph City Fort.
August 8, 2020: revised Camp Pomeroy, Fort Whipple.
October 1, 2020: added Ewell's Camp, Fort Silver, Fort Sawmill, Perry Mesa Fortifications, Indian Mesa Fortification, Sears-Kay Fortification, Kearny Campsite, Camp Estray, Camp Mescal Springs, U.S. Army Heliograph Stations, Camp Bonita, Camp at Santa Rita Mines, Camp near Tucson (4). Revised Camp Date Creek.
September 12, 2020: extensively added, revised and updated all listings, and split the Eastern Colorado page into two pages, Northeastern and Southeastern Colorado.
May 12, 2020: added Camp Georgetown.
DISTRICT OF COLUMBIA
May 25, 2020: revised location of Camp Cooper.
August 18, 2020: revised Post at Fernandina, Fort Clinch (4).
August 18, 2020: added Cumberland Island Battery (1).
July 7, 2020: added Fort Severson.
February 1, 2020: added Fisherman's Village Redoubt. Revised Chalmette Battlefield.
February 8, 2020: revised New Orleans Civil War Defenses.
July 12, 2020: added Fort Hooker to Dakota War Defenses.
May 12, 2020: added Camp Belleplain.
April 2, 2020: added Fort Taylor, Fort Baker, Camp Monument Springs, Camp Horse Springs. Revised Camp Sierra, Post at Cubero, Camp near Cariso, Post at Paraje.
October 1, 2020: added U.S. Army Heliograph Stations.
NORTHERN MARIANA ISLANDS
PANAMA CANAL ZONE
May 31, 2020: added Camp Scott (2), Camp Fremont, Camp Montgomery, Camp Swearinger, Camp Brooks.
September 12, 2020: added Camp Orr.
September 12, 2020: updated Other American Posts.
October 31, 2020: revised Beaufort Fort (1), Civil War Defenses of Beaufort and Port Royal Sound.
U.S. VIRGIN ISLANDS
June 28, 2020: extensive additions and revisions throughout on both pages, courtesy of Jacob Barlow.
June 13, 2020: added Camp Bally.
PRINCE EDWARD ISLAND
November 12, 2020: added Fort Germain.
ST. PIERRE and MIQUELON
CANADIAN SHIPS and SHIPYARDS