The text of the first telegram is signed 'GWB', the initials of camera George William 'Billy' Bitzer.
One of the 50 films in the 4-disk boxed DVD set called "Treasures from American Film Archives (2000)", compiled by the National Film Preservation Foundation from 18 American film archives. This film was preserved by the Museum of Modern Art. This version has a piano music score and runs 17 minutes.
During the romantic interlude between the Daughter and the Engineer, the Daughter can be seen holding and reading the March, 1911, issue of Stageland, a supplement of Blue Book Magazine. The magazine's title and the cover art of a long-necked cowgirl, are visible when the actors pass under the low-hanging eucalyptus branches.
Careful observation of the marks on the wainscoting reveal all the sets were constructed from the same flats.