From Trails to Rails: The Post Offices, Stage Stops, & Wagon Roads of Union County, Oregon by Irene Barklow is a meticulously researched 1987 local history that chronicles the evolution of pioneer transportation and communication in Eastern Oregon. The book details the region's transformation from rugged frontier trails and early stagecoach routes into a modernized railway hub, specifically cataloging the establishment of local post offices and settlements along the way. Ultimately, it serves as an invaluable resource for regional historians and genealogists tracing the infrastructural growth and pioneer heritage of Union County.

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