Petroleum County, Montana Genealogy

United States &gt; Montana &gt; Petroleum County

Parent County
1924--Petroleum County was created 24 November 1924 from Fergus and Garfield Counties. County seat: Winnett 

Neighboring Counties

 * Fergus
 * Garfield
 * Musselshell
 * Phillips
 * Rosebud

Web Sites

 * USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.