The filming and editing of an early theater cut of the picture were completed during the final quarter of 1914, many months before the
five-reeler's initial distribution. To enhance Shannon Fife's screenplay or "scenario", Fielding organized two major action sequences during production: the collision of two trains and an immense mountain explosion with a landslide. The "'train smash'" footage used in
The Valley of Hope was actually shot on location near Philipsburg in central Pennsylvania in September 1914, 10 months before the film's release. The noted explosion, additional outdoor scenes, and interior shots were done at Lubin's studio facilities and backlot at
Betzwood.
"Boomtown" set The centerpiece of the film's plot was a gold-mining boomtown, an elaborate set built at Betzwood and populated during production by hundreds of extras, including many genuine Pennsylvania miners who were brought to Lubin's facilities. Instead of just filming scenes on a completed set, Fielding's cameramen shot daily footage of Lubin carpenters as they erected the town. That footage of buildings in various phases of construction was then edited into the photoplay. That filming strategy did not go unnoticed by film critics and reporters. After seeing an early cut of the film in December 1914, Stephen Bush—the reviewer for the trade weekly
The Moving Picture World—shared his reactions to the use of the construction footage: In the January 10, 1915 issue of
The Chicago Daily Tribune, the newspaper's "Movie Land" reporter, following a preview of the film, also compliments Fielding's portrayal of the set's construction "during the action of the play" itself and for "showing how mushroom towns spring up during a 'strike gold quick' craze."
Train wreck On Tuesday, September 8, 1914, Fielding staged and directed the filming of a head-on collision of a three-car passenger train with a seven-car freight train along the 15-mile
Altoona and Philipsburg branch of the
Pittsburgh and Susquehanna Railroad. The trains, each traveling approximately 35-miles-an-hour, collided at the rail location nicknamed "Alley Popper". Fielding, not missing an opportunity for free publicity, scheduled the crash to coincide with a "mammoth Labor Day picnic" held outside Philipsburg and attended by an estimated crowd of 10,000 spectators.
Siegmund Lubin reportedly spent over $25,000—a monstrous sum in 1914 for a single action sequence—to purchase two old coal-fired locomotives, the needed freight and passenger cars, and to stage the spectacle. Despite the expense, Lubin justified it as an investment, for the studio later used the same wreck footage in at least four other productions. Fielding deployed 30 cameramen with 12 different cameras to film the collision, minimizing the chances of losing optimal footage of the one-take event due to either malfunctioning equipment or other factors. No one was aboard the trains except two "experienced railroad engineers" hired by the director, who instructed them to jump off their respective trains "a minute before the impact". Following the crash, Fielding also filmed needed passenger-rescue scenes around the smoking wreckage.
Mountain explosion In addition to staging the dramatic train wreck, Fielding organized and filmed a huge dynamite explosion and landslide as part of the production's concluding scenes. That action sequence was not, though, staged near Philipsburg; it was filmed on "a portion of rock cliff" located on the sprawling backlot at Betzwood. The
Chicago Daily Tribune reported that "over a ton of dynamite was distributed from the base to the top of the mountain". As with his staging of the trains' collision, Fielding deployed a dozen cameras to capture another one-take opportunity. It was reported that four of those cameras were "driven by motors" and that the blast and landslide were "spectacular in the extreme". ==Promotion and release==