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The following written prolgue is included in the film's opening credits: "The picture you are about to see was 17 years in the making. Months of patient waiting in camouflaged blinds-weeks of trudging hidden trails, and climbing where no trails had ever been before. The story it tells might well be the story of 2 billion years." F. Herrick Herrick's onscreen credit reads: "Special photography, original story."
A Hollywood Reporter news item of March 3, 1953 reported that United Artists would be distributing Song of the Land, shot by nature photographers Ed N. Harrison and Frances Roberts. The item also reported that the film's cost was $200,000 and that negotiations were underway to have John Nesbitt do the narration. Other contemporary press releases stated that producer Henry S. Kesler, in collaboration with Harrison and Roberts, had culled footage from their extensive library of natural history subjects to create the new film. The footage was blown up from 16mm Kodachrome to 35mm Cinecolor for theatrical release. Song of the Land was reissued later in the 1950s as Thunder from the Skies