1900 Census Ferguson Halvor 66 Male Norw MN Grant Elbow Lake Ferguson John H 32 Male Ia MN Grant Elbow Lake 1910 Census Fergeson Halvor 76 Male Norw MN Grant Elbow Lake Twp Fergeson John 41 Male Ia MN Grant Elbow Lake Twp Forgerson R J 32 Male Mn MN Grant Pomme de Terre Twp 1920 Census Furgenson John H 51 Male Ia MN Grant Elbow Lake