Appendix 1

Date of the Discovery of Oil or Gas in Michigan Arranged Alphabetically by County

Oil and gas in commercial quantities have been discovered and produced from 63 of Michigan's 68 Lower Peninsula counties, shown alphabetically with year of discovery:

County

Year

Alcona

1990

Allegan

1937

Alpena

1973

Antrim

1972

Arenac

1936

Barry

1939

Bay

1935

Benzie

1976

Berrien

1940

Calhoun

1941

Cass

1930

Charlevoix

1992

Cheboygan

1976

Clair

1938

Clinton

1942

Crawford

1947

Eaton

1972

Genesee

1941

Gladwin

1934

Grand Traverse

1971

Gratiot

1927

Hillsdale

1957

Huron

1944

Ingham

1970

Ionia

1947

Iosco

1987

Isabella

1930

Jackson

1953

Kalamazoo

1944

Kalkaska

1971

Kent

1938

Lake

1942

Lapeer

1955

Lenawee

1961

Livingston

1935

Macomb

1959

Manistee

1973

Mason

1948

Mecosta

1934

Midland

1928

Missaukee

1931

Monroe

1920

Montcalm

1933

Montmorency

1945

Muskegon

1927

Newaygo

1944

Oakland

1960

Oceana

1945

Ogemaw

1933

Osceola

1941

Oscoda

1946

Otsego

1940

Ottawa

1939

Presque Isle

1969

Roscommon

1941

Saginaw

1925

St. Clair

1886

Shiawassee

1967

Tuscola

1936

Van Buren

1938

Washtenaw

1953

Wayne

1943

Wexford

1952