Petroleum County, Montana
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Petroleum is a county in Montana. It was formed in 1925 from the following county/ies: Fergus. Petroleum began keeping birth records in 1916, marriage records in 1925, and death records in 1915. It began keeping land records in 1925, probate records in 1925, and court records in 1925. For more information, contact the county at 201 E. Main/P.O. Box 226, Winnett 59087-0226. On the attached map, Petroleum is located at G4.
For information about the state of Montana see Montana Family History Research.
Counties of Montana'
 Beaverhead • Big Horn • Blaine • Broadwater • Carbon • Carter • Cascade • Chouteau • Custer • Daniels • Dawson • Deer Lodge • Fallon • Fergus • Flathead • Gallatin • Garfield • Glacier • Golden Valley • Granite • Hill • Jefferson • Judith Basin • Lake • Lewis and Clark • Liberty • Lincoln • McCone • Madison • Meagher • Mineral • Missoula • Musselshell • Park • Petroleum • Phillips • Pondera • Powder River • Powell • Prairie • Ravalli • Richland • Roosevelt • Rosebud • Sanders • Sheridan • Silver Bow • Stillwater • Sweet Grass • Teton • Toole • Treasure • Valley • Wheatland • Wibaux • Yellowstone • |
