By 1930, Fox had already conquered making sound movies outdoors due to being an early adopter of sound on film versus sound on disc. Next they tried their hand at widescreen films. Known as 70mm Grandeur, Fox shot three films in this process, this film and two musicals - The Fox Movietone Follies of 1929 and Happy Days (1929). The process was successful, the business end of their widescreen process was not. Due to the Great Depression, theaters could not afford to install the equipment necessary to show films in the Grandeur process. It's interesting to note that if sound itself had come into feature films in 1929 rather than 1927, that silent films would probably have been the majority of films made until 1940 for this same reason.
The Big Trail itself is a wonderfully modern-seeming western compared to other entries of the early sound era. It has an air of authenticity about it, as there is almost a documentary feel of the film in its depiction of harsh life on the Oregon Trail. Finally, there is the reason most people view this film - the birth of John Wayne's cowboy persona, not a cartoon character with either a black or white hat as many actors in the early westerns were, but a character of flesh and blood whose motivations you could understand and empathize with. Also note the presence of Ward Bond in a supporting role who, along with John Wayne, was a staple of the later John Ford westerns.
Despite its technical beauty and the presence of John Wayne, this film flopped at the box office. John Wayne went back into obscurity and did not emerge again until nine years later in "Stagecoach", where he played a part very similar to the one he plays here.
