| Rydholm, Carl O. | | | FRONTENAC | watchman |
| Rydholm, Carl O. | | | | Marine Superintendent |
| Rydholm, Carl O.; 1916 Green's | 1916 Green's | | MUNISING | Captain |
| Rydholm, Carl O.; 1918 Red Book; 1918 | 1918 Red Book | 1918-00-00 | MUNISING | Captain |
| Rydholm, Carl O.; 1919 Red Book; 1919 | 1919 Red Book | 1919-00-00 | MUNISING | Captain |
| Rydholm, Carl O.; 1920 Red Book; 1920 | 1920 Red Book | 1920-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1921 Red Book; 1921 | 1921 Red Book | 1921-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1921 Red Book; 1921 | 1921 Red Book | 1921-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1921 Red Book; 1921 | 1921 Red Book | 1921-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1921 Red Book; 1921 | 1921 Red Book | 1921-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1922 Red Book; 1922 | 1922 Red Book | 1922-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1926 Red Book | 1926 Red Book | | | Fleet Captain |
| Rydholm, Carl O.; 1926 Red Book | 1926 Red Book | | | Fleet Captain |
| Rydholm, Carl O.; 1926 Red Book | 1926 Red Book | | | Fleet Captain |
| Rydholm, Carl O.; 1926 Red Book | 1926 Red Book | | | Fleet Captain |
| Rydholm, Carl O.; 1926 Red Book | 1926 Red Book | | | Fleet Captain |
| Rydholm, Carl O.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1930 Blue Book; 1930 | 1930 Blue Book | 1930-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1934 Red Book; 1934 | 1934 Red Book | 1934-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1935 Red Book; 1935 | 1935 Red Book | 1935-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1938 Red Book; 1938 | 1938 Red Book | 1938-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1939 Red Book; 1939 | 1939 Red Book | 1939-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1940 Red Book; 1940 | 1940 Red Book | 1940-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1943 Red Book; 1943 | 1943 Red Book | 1943-00-00 | | Fleet Captain |
| Rydholm, Carl O.; 1945 Red Book; 1945 | 1945 Red Book | 1945-00-00 | | Superintendent |
| Rydholm, Carl O.; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | | Superintendent |
| Rydholm, Carl O.; 1948 Red Book; 1948 | 1948 Red Book | 1948-00-00 | | Superintendent |
| Rydholm, Carl O.; 1949 Red Book; 1949 | 1949 Red Book | 1949-00-00 | | Superintendent |
| Rydholm, Carl O.; 1950 Red Book; 1950 | 1950 Red Book | 1950-00-00 | | Superintendent |
| Rydholm, Carl O.; Great Lakes News 5/40; 1940 | Great Lakes News 5/40 | 1940-00-00 | PRESQUE ISLE | Captain |
| Rydholm, Carl O.; Great Lakes News 5/40; 1940 | Great Lakes News 5/40 | 1940-00-00 | | Fleet Captain |
| Rydholm, Carl O.; Great Lakes News 5/45; 1945 | Great Lakes News 5/45 | 1945-00-00 | MUNISING | Captain |
| Rydholm, Carl O.; Great Lakes News 7/45; 1945 | Great Lakes News 7/45 | 1945-00-00 | | Fleet Captain |
| Rydholm, Carl O.; Great Lakes Review 8/53; 1953 | Great Lakes Review 8/53 | 1953-00-00 | PATHFINDER | deckhand |