Source: Guilford High School, 1967 Valhalla Yearbook, Seniors: Calv – Cede, p. 72
Mark Carlson
Guilford High School, 1970 – Varsity Football Team
Source: Guilford High School 1970 Valhalla Yearbook
A Digital Collection of Rockford, Illinois History
Source: Guilford High School, 1967 Valhalla Yearbook, Seniors: Calv – Cede, p. 72
Source: Guilford High School 1970 Valhalla Yearbook