United States School Year Books - 1900 - 1999
(Map of School location with Koberstein's in their yearbooks):
(Link to Family) Floyd William and Mary Jane: Bill L (1944) - ernst Family of Nebraska, Colorado and Washington.
| Name | Photo | Residence | Approx Birth | School |
| Bill Koberstein |  1964 Yearbook |
Dillon, Montana , USA | abt 1944 | State Normal College |