Improved Lumber Harvesting

Improved Lumber Harvesting
Increases the amount of lumber that Peasants can carry.
Researched at : Lumber Mill
 Hotkey : L
Cost : 100  Research Time:  60
Requires : Keep
Capacity Bonus : 10
Advanced Lumber Harvesting
Cost : 200  Research Time:  75
Requires : Castle
Capacity Bonus : 20