The second industrial age tested, and the long narrowing told line by line as far as the record dates it — the 1930–89 band stands as the named gap

The contract-plant test returns a negative first: no second industrial age — no contract factory, branch plant or wartime-born works that stayed — was ever seated in Osceola in any source reached; the town that entered the twentieth century with a power house for another company's railway (1899–1900) acquired no plant of its own in the age of the contract truck plant, and its industrial story after the mills is a narrowing, which the record dates at these points and no finer: 1884–85 → 1916–17: the mills vanish between the gazetteer canvasses — Bancroft's saw and flour mill and Mandlin's saw mill present in the first, no mill at all in the second — and with them go both blacksmiths, the grain dealer, the livestock dealer, the physician, the justice and the carpenters of the 1884 census; five firms remain. 1 June 1934: interurban service ends — the power house's reason and the town's second carrier gone the same day (transportation leg). By 12 July 1959: New York Central trains no longer stop — Osceola is absent from the 1959 timetable's station index where Mishawaka, Goshen and South Bend stand (trains leg, item 11) — the depot trade's last form extinguished by that date at the latest. Undated, inside the band: the Crystal Springs Creamery Co (Moon's company, in the record by 1907, listed 1916–17) closes unrecorded; the depot itself, its building and its end, is unsettled (GAP-O8-T1). The band itself, 1930–89:What stands after the band is the present small commerce the parent fragment closes on, as of November 2026: Hinges & Handles at 100 Lincolnway East, Pioneer Auto Sales at 215 Lincolnway West, the McKinley used-car row on township ground, and the Martin family's Crystal Springs Creamery on Ash Road — a new firm of 2017 wearing a dead company's name, printed apart from it in Businesses. The narrowing is real and its dated lines are printed; its middle is the gap.

Sources: Polk, 1884–85, p. 570, and 1916–17, pt. 2 (the two canvasses); Businesses (the closing roll, item 7; the creamery article; the present commerce as of November 2026); Transportation (the 1934 interurban end; the depot gap GAP-O8-T1); New York Central system timetable effective 12 July 1959, station index (Canada Southern scan, read November 2026). Settler for the 1930–89 lines: the state gazetteers of the 1920s–50s, the town and county directories, and the South Bend Tribune run — NAMED GAP.