This comes from 1930, when logging was crosscut saws, logging camps, horses and sleds, and logs sent down river when the ice let out.
The mill is steam power and a lot of manual labor in conditions that would give an OSHA rep the vapors.
The ship they send the laths to New York on is a three masted schooner, although even then things were passing into history. It is mentioned that the ship leaving is the last load the schooner will carry and the ship has no value because no one will buy it.
It's Old America described by someone who was there. Originally a silent film, the narration was written by the mill manager to read aloud to the audience as the movie played. Here it read by a Maine native, so the accent fits well with the words.