"Dr. Rowland Willard traveled from St. Charles, Missouri, to Taos, New Mexico, in 1825, where he spent three months before moving on to Chihuahua, Mexico, where he practiced medicine for three years before returning to the United States. He kept trail diaries for his travels and later wrote an autobiography based on his recollections and diaries. Dr. Willard thus became only the third traveler to keep an account of traveling the Santa Fe Trail from...