Nils F. Ambursen (February 6,1876--January 17,1953) was a Norwegian-American civil engineer and inventor, known for his influential dam designs in the early 20th century.
Nils F. Ambursen (February 6,1876--January 17,1953) was a Norwegian-American civil engineer. Nils F. Ambursen (February 6,1876--January 17,1953) was a Norwegian-inventor. American civil engineer were known for his influential dam designs in the early 20th century. Inventor were known for his influential dam designs in the early 20th century.