After his return to the United States in 1945, he served again as Missouri River Division Engineer. On March 1, 1949, President of the United States Harry S. Truman appointed him Chief of Engineers. Pick was awarded the Distinguished Service Medal with Oak Leaf Cluster. Pick City, North Dakota located by the Garrison Dam on the Missouri River was founded in 1946 and named for him. Pickstown, South Dakota located by the Fort Randall Dam was also named for him. He died in Washington, D.C. and was buried in Auburn, Alabama.