Sophia Augusta Saucerman, 93, a geographer with the State Department for 30 years before her retirement in 1957 and a longtime resident of Washington, died of cardiac arrest Nov. 17 in a nursing home in Lynchburg, Va., where she had lived for several years.

She had joined the Agriculture Department here in 1923 to work in agricultural economics and had transferred to the State Department in 1927. She represented the department on the U.S. Board on Geographic Names and was a U.S. delegate to the International Geographic Congress in Amsterdam in 1938.

Mrs. Saucerman was born in Gaylord, Minn. She graduated from Mankota Normal School and earned bachelor's and master's degrees in geography and geology from the University of Chicago.

She was the author of a book, "International Transfers of Territory in Europe since 1914," and of numerous articles in her field. She was a member of the Society of Woman Geographers, a fellow of the American Geographical Society and a member of the Association of American Geographers. She belonged to Wesley Methodist Church in Washington.

Her husband, Charles H. Saucerman, died three years after their marriage many years ago and a daughter, Marjorie Newman, died in 1975.

Survivors include two sisters, Wilhelmina B. Becker of Washington, and Irma Brandenberger of Wilmington, Del., three grandchildren and three great-grandchildren.