1855—May 10, 30 missionaries left Salt Lake for Las Vegas.
1857—Ira Hatch and Dudley Leavitt among Paiutes; Hamblin sees Ives steamer "Explorer;" Sept. 11, Mountain Meadows massacre.
1858—Jan., Ira Hatch sent to Muddy; Feb., Col. Kane treaty with Paiutes; San Bernardino vacated; spring, Hamblin to Colorado r.; first trip across Colorado r.
1859—Oct., Hamblin to Hopi.
1860—Oct., Hamblin to Hopi; Nov. 2, Geo. A. Smith, Jr., killed by Indians near Tuba.
1862—Nov., Hamblin to Hopi.
1863—Feb. 24, Arizona Territory organized from New Mexico; Mar. 18. Hamblin to Hopi; Pipe Springs located by Dr. J. M. Whitmore.
1864—Mar., Hamblin party parleys with Navajos; Moccasin Springs settled; United Order established in Brigham City. Utah, by Lorenzo Snow; Oct., Anson Call directed to establish Colorado r. port, Beaver Dams settled by Henry W. Miller; Dec. 2. Call party at site of Call's landing; 18, work begun at Call's Landing.
1865—Jan. 8, first settlers at St. Thomas on Muddy r., settlement of St. Joseph on Muddy r.; settlement on Paria Creek; Dec., Muddy section organized as Pah-ute County, Arizona.
1866—Jan. 8, Whitmore and McIntire killed by Indians near Pipe Springs; June 4, conference with Indians on Muddy r.; Moccasin vacated through Indian troubles; Nov., steamer "Esmeralda" on upper Colorado r.