Marshall D. Yarnall was killed in a train accident near "Steamboat Station" on the Columbia Railroad. The obligation dated Jan. 12, 1836 binds David D. Yarnall, who is in Philadelphia from 1845 through 1848, as administrator. Estate inventory dated March 28, 1836, has a large amount of timber, suggesting trade of lumber mill operator or carpenter. Final accounting of estate was made on October 4, 1836.