He is best known for West from Fort Bridger: The Pioneering of the Immigrant Trails Across Utah 1846–1850, completed with the assistance of historiographer and author Dale L. Morgan.
Korns participated in and was featured in a round of correspondence between historians and researchers associated with the American west.
Immigrants personal accounts, compiled from original diaries, journals, maps, and letters, recount a half-decade of historic pioneer treks.
Despite his own significant research and editorial contributions, Morgan ascribed primary authorship to his late friend.
Salt desert historian Charles Kelly pronounced the volume "one of the most important contributions to Utah history ever assembled" (Bagley, p. viii).