Major projects completed during this decade include:
1970-Safeway Store, Atlantic, IA, High School, Griswold, IA
1971-Henry Field Seed and Nursery, Shenandoah, IA, Dental Health Clinic, Atlantic, IA
1972-Elementary and High School, Treynor, IA, Sewage Treatment Plant, Atlantic, IA, Guthrie County Hospital, Guthrie Center, IA
1973-Junior/Senior High School, Avoca, IA, Eaton Corporation, Shenandoah, IA
1974-Elementary School, Avoca, IA, Deter Motor Body Shop, Atlantic, IA, Allied Mills, Atlantic, IA
1975-Stewart Memorial Hospital, Lake City, IA, Oakland Bank, Oakland, IA
1976-Atlantic Municipal Utilities, Atlantic, IA, Roland Funeral Home, Atlantic, IA, Library, Griswold, IA, Montgomery County Courthouse, Red Oak, IA
1977-Cass County Hospital Addition, Atlantic, IA, United Church of Christ, Atlantic, IA, The Villager Restaurant, Walnut, IA
1978-Shelby County Courthouse, Harlan, IA, Oakview Construction Offices, Red Oak, IA, SS Peter and Paul Rectory, Atlantic, IA
1979-Rosary Medical Center, Corning, IA, Renovation of old Atlantic Hospital into 29 unit, Royal Oak II Apartments, Gould Incorporated, Atlantic, IA currently known in 2016 as Mahle