T. Schantz-Hansen study on thinning in jack pine, circa 1927

Related Items

• 

  T. Schantz-Hansen stud...

• 

  T. Schantz-Hansen with...

• 

  T. Schantz-Hansen in e...

• 

  Unthinned jack pine st...

• 

  T. Schantz-Hansen in y...

• 

  Thinned jack pine, unk...