TIGER Specifications for Indiana
The values below apply to Indiana

Number of species  = 45 (plus 5 other user defined species)

Minimum DBH for a tree to have 1 pulp bolt (1 pulp bolt = 8')  = 5.5" for softwoods and = 5.5" for hardwoods
Minimum DBH for a tree to have 1/2 sawlog (1 log = 12' or 16')  = 11.5"  for softwoods and hardwoods
Minimum DBH for a tree to have 1/2 veneer log (1 log = 12' or 16')  = 13.5"  for softwoods and hardwoods

Maximum sawlog height = 4 16' logs or 5.5 12' logs
Maximum veneer height = 2-1/2 16' logs or 3-1/2 12' logs
Minimum total height  = 10'
Maximum total height  = 140'

Minimum site index  =  30'

Growth model - Central States growth model by US Forest Service

Pulp volume table
Table 6 in Gevorkiantz and Olsen (1955) is the default volume table

Board foot volume table for sawtimber and veneer
Doyle, Form Class 78 by Messavage and Girard (1976) is the default volume table


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