The Spanish missions founded by Padre Eusebio Kino in Sonora, Mexico, during the 1690s and early 1700s are historical as well as architectural marvels. Once self-supporting villages with central churches, the missions stand today as monuments to perseverance in the face of a hostile New World. These "Kino Missions" were surveyed in 1935 by the National Park Service to prepare for the restoration of the mission at Tumacacori, Arizona, then a National Historic Monument. That report, which was never published, provided insights into the missions' history and architecture that remain of...