TV019

Attribute: TREE_VIGOR

code		description
1		Good vigor: no apparent signs of distress
2		Fair vigor: some signs of distress apparent (e.g., discolored foliage, paucity of leaves or needles, broken stem with few live branches)
3		Poor vigor: extreme distress apparent (i.e., death imminent)
M		Vigor is not recorded for dead or missing trees
U		Unknown vigor of a living tree - vigor is not recorded