1866.
Left St. Louis April 9th on the Ontario - Reached Fort Benton June 7th - Back in St. Louis probably by July 10th - Remained in St. Louis the rest of the year.
Distance traveled, 6,200 miles.
1867.
In February visited Washington and New York and returned to St. Louis -April 12th left St. Louis for the upper country - Went to the Yellowstone river where he arrived June 28th - Visited the various tribes on the way - Returned to St. Louis late in August - Remained in St. Louis the rest of the year.
Distance traveled, 6,880 miles.
1868.
March 30th left St. Louis by rail with Government commission for Cheyenne - Arrived there April 6th after stops at Omaha and North Platte - Made an excursion to Sherman Pass - Commissioners then went north to Fort Laramie and De Smet went back to Omaha, where he took the steamer Columbia for Fort Rice - Left Omaha April 21st and reached Fort Rice May 24th - Remained a few days at the fort preparing for journey to the camp of the hostile Indians.
June 3d set out for the Powder river country where the hostiles were supposed to be - Reached the camp in the valley of Powder river at its mouth June 19th - Remained two days with the Indians and succeeded in inducing them to send a deputation to Fort Rice - Set out before sunrise June 21 St - Entered Fort Rice on the 30th - The great Peace Council took place on July 2d.
Father De Smet set out on his return journey July 4th -Stopped at Fort Sully-Resumed journey on 11thWent to Fort Leavenworth and St. Mary's Mission - Reached St. Louis apparently about August 10th, that