Footage of a man cutting small trees and weeding in Harvard Forest intercut with intertitles explaining the process and the types of trees involved. Donor Notes: “R.T. Fisher W...

Footage of men cutting small trees, weeding and inspecting trees in Harvard Forest intercut with intertitles explaining the process and the types of trees involved. Donor Notes...

Footage of men weeding, pruning, thinning, inspecting, and measuring trees in Harvard Forest and Petersham Town Forest intercut with intertitles explaining the processes and the...

Intertitle: “Pollination and Fertilization in a Flowering Plant Amaryllis produced under a grant from the National Science Foundation Copyright 1978 - All Rights Reserved” Foot...