| Urdal, Arthur E. | | | POLARIS | Third Assistant |
| Urdal, Arthur E. | | | POLARIS | Third Assistant |
| Urdal, Arthur E.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | CALCITE | Chief Engineer |
| Urdal, Arthur E.; 1926 Red Book | 1926 Red Book | | CALCITE | Chief Engineer |
| Urdal, Arthur E.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | CALCITE | Chief Engineer |
| Urdal, Arthur E.; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | JOHN G.MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1932 Red Book; 1932 | 1932 Red Book | 1932-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1933 Red Book; 1933 | 1933 Red Book | 1933-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1934 Red Book; 1934 | 1934 Red Book | 1934-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1935 Red Book; 1935 | 1935 Red Book | 1935-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1938 Red Book; 1938 | 1938 Red Book | 1938-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1942 Red Book; 1942 | 1942 Red Book | 1942-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1943 Red Book; 1943 | 1943 Red Book | 1943-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1944 Red Book; 1944 | 1944 Red Book | 1944-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1945 Red Book; 1945 | 1945 Red Book | 1945-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1946 Red Book; 1946 | 1946 Red Book | 1946-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1949 Red Book; 1949 | 1949 Red Book | 1949-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1950 Red Book; 1950 | 1950 Red Book | 1950-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; 1970 Red Book; 1970 | 1970 Red Book | 1970-00-00 | RUTH E. WEBSTER | Chief Engineer |
| Urdal, Arthur E.; 1975 Red Book; 1975 | 1975 Red Book | 1975-00-00 | SYLVANIA | Chief Engineer |
| Urdal, Arthur E.; 8/48 Great Lakes Review; 1948 | 8/48 Great Lakes Review | 1948-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; Great Lakes News 7/36; 1936 | Great Lakes News 7/36 | 1936-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; Great Lakes News 7/40; 1940 | Great Lakes News 7/40 | 1940-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; Great Lakes News 9/39; 1939 | Great Lakes News 9/39 | 1939-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; LCA Annual Report 1930 | LCA Annual Report 1930 | 1930-00-00 | JOHN G. MUNSON | Chief Engineer |
| Urdal, Arthur E.; LCA Bulletin Oct 1924 | LCA Bulletin Oct 1924 | 1924-00-00 | PENTECOST MITCHELL | Oiler |
| Urdal, Arthur E.; LCA Bulletin Oct 1924 | LCA Bulletin Oct 1924 | 1924-00-00 | WILLIAM J. OLCOTT | Second Assistant |
| Urdal, Arthur E.; LCA Bulletin Oct 1924 | LCA Bulletin Oct 1924 | 1924-00-00 | CARL D. BRADLEY | Second Assistant |
| Urdal, Arthur E.; LCA Bulletin Oct 1924 | LCA Bulletin Oct 1924 | 1924-00-00 | CARL D. BRADLEY | Second Assistant |
| Urdal, Arthur E.; LCA Bulletin Oct 1924 | LCA Bulletin Oct 1924 | 1924-00-00 | CARL D. BRADLEY | First Assistant |
| Urdal, Arthur E.; LCA Bulletin Oct 1924 | LCA Bulletin Oct 1924 | 1924-00-00 | CARL D. BRADLEY | First Assistant |
| Urdal, Arthur E.; LCA Bulletin Oct 1924 | LCA Bulletin Oct 1924 | 1924-00-00 | CARL D. BRADLEY | First Assistant |
| Urdal, Arthur E.; LCA Bulletin Oct 1924 | LCA Bulletin Oct 1924 | 1924-00-00 | B. H. TAYLOR | First Assistant |
| Urdal, Arthur E.; LCA Bulletin Oct 1924 | LCA Bulletin Oct 1924 | 1924-00-00 | CARL D. BRADLEY | First Assistant |
| Urdal, Arthur E.; LCA Bulletin Oct 1924 | LCA Bulletin Oct 1924 | 1924-00-00 | B. H. TAYLOR | First Assistant |