The post office at Summerville was discontinued by governmental decision and its affairs blended with those of Clinton.

The evidence

• “He remained in office until January 11, 1850, when he was succeeded by Reuben P. Willard, he being swallowed up on March 6, 1857, by a Governmental decision to close up the office and blend its affairs with that of Clinton, which went into force on that day.”

  1879-history-of-rock-county/16-rock-county-ch10-villages.md, PDF p. 652 / book p. 656

  Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.

  Grade A: Found on a page of one of our sources

  

• “Willard, January 11, 1850. This office was discontinued and blended with the Clinton office on March 6, 1857.”

  1908-brown-rock-county/31-smaller-cities-villages-towns.md, Vol. 2, PDF p. 135 / book p. 644

  Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.

  Grade A: Found on a page of one of our sources · may repeat 1879-history-of-rock-county, so not counted as independent