Selling canoe in Havana, Lincoln and Harrison start afoot to New Salem. "The long strides of Lincoln after slipping back in the burning sand six inches every step were just right for me," wrote Harrison. "And he was greatly diverted when he noticed me behind him stepping in his tracks to keep from slipping."George M. Harrison to W. H. Herndon, n.d., William H. Herndon Papers, Henry E. Huntington Library, San Marino, CA.