Diagram of mistletoe on host

Mistletoe life history diagram

Diagram of life history of spruce sawfly

Diagram of life history of spruce sawfly

Diagram of feeding pattern of spruce sawfly

Planting paper pot black spruce. Black Brook, J.D.Irving 2.5 cents/ tree.

Planting paper pot black spruce. Black Brook, J.D.Irving 2.5 cents/ tree.

Women planting paper pot black spruce at 2 cents/tree. Black Brook J.D.Irving.

Women planting paper pot black spruce at 2 cents/tree. Black Brook J.D.Irving.

Crew planting paper pots with potti putkis. N.B. line to ensure trees are in rows. Planters paid 2 cents/tree. Black Brook, J.D.Irving.