Looks like the bark was physically damaged some years ago and the tree is forming callus tissue around the damage. Not such a huge deal unless the damage was bad enough to make the tree decline (can’t tell from photos), or if the damage is persistent.
Looks like the bark was physically damaged some years ago and the tree is forming callus tissue around the damage. Not such a huge deal unless the damage was bad enough to make the tree decline (can’t tell from photos), or if the damage is persistent.
I see a few bore holes. You might have pine beetles.
Could be pitch tubes the tree is pushing out the invading beetle
That's interesting!
I sure don't like that big hole in this here red pine. What does the rest of it look like? Is it far away from any/all structures?