EACO Flour Mill Employees. Hannah Hawkes and Co-Workers Outside EACO Mill Office Building. 3 5/8" x 2 7/8" black and white postcard photograph of a group of 10 women, co-workers, posed outdoors beside a brick building, one of the building of the EACO Flour Mill, Waseca, Minn.; identified only is Hannah Hawkes, secretary to E. A. Everett; see Accession #27.89.70 for other possible identifications; see album page 23.