Dams completed in 1938

reservoir in India

dam on the Colorado River between California and Arizona

dam on the Vaal River in South Africa

dam in Niigata Prefecture, Japan

concrete slab and buttress, ogee weir structure across the California/Arizona border

dam in Gifu Prefecture, Japan

dam in Lake County, Montana, United States of America

Massachusetts reservoir which serves the Boston area

dam in Hardin County, Tennessee, United States of America

dam in Ōita Prefecture, Japan

lock and dam on the Mississippi River at Quincy, Illinois, USA

lock and dam on the Mississippi River near near Saverton, Missouri, USA

dam in Natrona County, Wyoming, United States of America