Virginia Piper in Jay Cooke State Park after her rescue by the FBI. Photographed by the FBI on July 29, 1972. Used with the permission of Harry Piper III.

Minnesota Motor Corps encampment, Camp Lakeview, Lake City, c.1918.

Major Thomas Warham, c.1918. Warham was commander of the Medical Corps, Motor Corps Division.

Captain John P. Ernster, c.1918. Ernster commanded the Aero Division of the Minnesota Motor Corps.

Relief workers unloading coffins from Motor Corps vehicles after the fires of 1918.

A Red Cross nurse, and likely Motor Corps officer, 1918. The car has the Red Cross symbol on the hood and was likely part of the Minnesota Motor Corps.

Red Cross Auxiliary providing transportation to soldiers, c.1918.

Red Cross Motor Service car providing relief efforts after the October fires of 1918.

Members of the Red Cross Volunteer Motor Service, 1918.

Members of the St. Paul Chapter of the Red Cross, Motor Corps, 1918.