diff --git a/TODO.taskpaper b/TODO.taskpaper
--- a/TODO.taskpaper
+++ b/TODO.taskpaper
@@ -37,7 +37,7 @@
 		- Add basic age simulation
 		- Add water @milestone(6: Trees and Tiles)
 		- Biodiversity @maybe @milestone(6: Trees and Tiles)
-			- Tree Types
+			- Tree Types @done(2022-01-27)
 			- Grass?
 			- Biodiversity score?
 		- Research agreements @maybe
@@ -48,10 +48,13 @@
 				Reduces cost of vandalism repair?
 		- Sell Firewood?
 		- Preserve @milestone(6: Trees and Tiles)
-			- Add preserve tool
+			- Add preserve tool @done(2021-02-17)
 			- Add bulldozer
-			- Adjust odds in preserve
-		-
+			- Adjust odds in preserve @done(2021-02-20)
+			- Dialog
+				- Assistant warns when a lot of the map has been made into preserve?
+				- Congratulations when 
+				Maybe 75 percent
 	Staff:
 		- Ranger staffing? @maybe  @milestone(1: Basic Money)
 			- Staffing window
@@ -72,8 +75,8 @@
 		- Self-sufficient
 			i.e., no need for subsidy
 			May not be ending
-		- Forest mismanagement @milestone(5: Events)
-			- Figure out threshold
+		- Forest mismanagement @milestone(5: Events) @done(2021-12-12)
+			- Figure out threshold 
 		- High biodiversity? @maybe
 		- High satisfaction
 			- Figure out how to differentiate this from forest health
@@ -104,7 +107,7 @@
 				would probably have to animate
 			- Disease
 		- Photos for dialog?
-		- Graphs window
+		- Graphs window @done(2021-01-05)
 			Could use ImPlot for this
 
 Structure: