When the first few monks arrived in Hulbert, Okla., in 1999, there wasn’t much around but tough soil, a creek and an old cabin where they slept as they began to build a Benedictine monastery in the Ozark foothills.

Dozens of families from California, Texas and Kansas have since followed, drawn by the abbey’s traditional Latin Mass—conducted as it was more than 1,000 years ago—and by the desire to live in one of the few communities in the U.S. composed almost exclusively of traditional Catholics.

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