Elvin (Jack) Graves, 76, president of R.S. Graves Brothers Inc., which operates a farm, and vice president of Graves Mountain Lodge in Syria, Va., died Sunday at the University of Virginia Hospital in Charlottesville. He had suffered a stroke.

Mr. Graves took over the family's 1, 000-acre farm in Madison County, Va., in his teens.

During the late 1920s, he became a deputy sheriff of Madison County and in a short law-enforcement career was twice shot by moonshiners whose stills he closed down.

Over the years, the farm grew to 6, 000 acres and supported 150 sheep, 1, 500 head of cattle and included orchards from which 30,000 bushels of peaches and more than 100,000 bushels of apples were harvested each year.

In 1965, the lodge was built and the farm become a vacation resort on the eastern edge of the Blue Ridge mountains.

In addition to the farm and resort complex, the Graves family held one football and three basketball clinics a year, with 150 children aged 10 to high school are attending each six-day session.

Mr. Graves was born in Syria. He served as chairman of the Board of Supervisors of Madison County from 1951 to 1959.

He was a member of Hebron Lutheran Church in Madison and was a Mason.

He is survived by two sons, James C., of the home in Syria, Elvin Jr., also of Syria; two brothers, Lester E., of Gordonsville, Va., and F. M. Graves, of Syria; a sister, Allie Wyatt, of Washington, and four grandchildren.