Respuesta :

Lou Henry Hoover. She is the wife of Herbert Hoover. The landmark is the Hoover Dam. 

The president that Legacy continues to live on that fame derived from a famous landmark on the Colorado River was Herbert Hoover. The land mark that is being refereed to is the question is the dam which was built in the path of the Colorado River. President Herbert Hoover's wife was Lou Henry Hoover. The couple got married in 1899. Mrs. Hoover served as the First Lady of the United States from 1929 to 1933. Mrs. Hoover died in 1944 at the age of  70.