E. F. Johnson Company Edgar F. Johnson. E. F. Johnson Company Building. 60th Anniversary Open House. Material: paper. Size: 3 1/2" x 3 1/2". Description: color photograph of Waseca Mayor, Doc Hall, presenting Edgar F. Johnson with Johnson Avenue sign for the E. F. Johnson Company corporate headquarters on 10th Avenue S.W., Waseca, MN; 299 Johnson Avenue S.W., Waseca, MN.