performing or functioning in the best possible manner with the least waste of time and effort; having and using requisite knowledge, skill, and industry; competent; capable: a reliable, efficient assistant.
Marengo is a village in Morrow County, Ohio, United States. The population was 342 at the 2010 census. Marengo is south of Mount Gilead, the county seat.
The Iowa County, Iowa Board of Supervisors consists of five members elected at large. The Board of Supervisors is the legislative body of the county. Address of. Board of Supervisors office: 970 Court Ave. Marengo IA 52301. (The Board room is located on the second floor of the East Annex, across the street from the Courthouse)