Tarkio is a city in Tarkio Township, Atchison County, Missouri, United States. The population was 1,583 at the 2010 census.
I was able to find newspaper ads from the mid 1970s for Friendly Boys. It appeared to be a pretty big operation at that time. This article covers pretty well what is going on with small towns and businesses in rural areas. http://www.stltoday.com/news/local/metro/atchison-shrinks-more-than-other-mo-counties/article_7b898ca8-06c9-5756-992a-fe551491b1c2.html