Hahn, Edward J.; 1951 Red Book; 1951 | 1951 Red Book | 1951-00-00 | HURLBUT W. SMITH | Chief Engineer |
Hahn, Edward J.; 1953 Red Book; 1953 | 1953 Red Book | 1953-00-00 | J. F. DURSTON | Chief Engineer |
Hahn, Edward J.; 1954 Red Book; 1954 | 1954 Red Book | 1954-00-00 | J. F. DURSTON | Chief Engineer |
Hahn, Edward J.; 1955 Red Book; 1955 | 1955 Red Book | 1955-00-00 | SMITH THOMPSON | Chief Engineer |
Hahn, Edward J.; 1956 Red Book; 1956 | 1956 Red Book | 1956-00-00 | SMITH THOMPSON | Chief Engineer |
Hahn, Edward J.; Great Lake Review 4/42; 1942 | Great Lake Review 4/42 | 1942-00-00 | HORACE S. WILKINSON | Second Assistant |
Hahn, Edward J.; Great Lakes Review 5/52; 1952 | Great Lakes Review 5/52 | 1952-00-00 | HURLBUT W. SMITH | Chief Engineer |