| Howell, John; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | P. W. D. NO. 117 | Captain |
| Howell, John; 1932 Red Book; 1932 | 1932 Red Book | 1932-00-00 | P. W. D. NO. 117 | Captain |
| Howell, John; 1934 Red Book; 1934 | 1934 Red Book | 1934-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | P. W. D. NO. 117 | Captain |
| Howell, John; Great Lakes News 4/40; 1940 | Great Lakes News 4/40 | 1940-00-00 | SAUCON | First Assistant |
| Howell, John; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; 1942 Red Book; 1942 | 1942 Red Book | 1942-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; 1943 Red Book; 1943 | 1943 Red Book | 1943-00-00 | LEHIGH | Chief Engineer |
| Howell, John; 1943 Red Book; 1943 | 1943 Red Book | 1943-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; Great Lakes News 7/43; 1943 | Great Lakes News 7/43 | 1943-00-00 | LEHIGH | Chief Engineer |
| Howell, John; 1944 Red Book; 1944 | 1944 Red Book | 1944-00-00 | JOHNSTOWN | Chief Engineer |
| Howell, John; 1944 Red Book; 1944 | 1944 Red Book | 1944-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; 1945 Red Book; 1945 | 1945 Red Book | 1945-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; 1945 Red Book; 1945 | 1945 Red Book | 1945-00-00 | CAMBRIA | Chief Engineer |
| Howell, John; Great Lakes Review, 5/46; 1946 | Great Lakes Review, 5/46 | 1946-00-00 | CAMBRIA | Chief Engineer |
| Howell, John; 1946 Red Book; 1946 | 1946 Red Book | 1946-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | CAMBRIA | Chief Engineer |
| Howell, John; 1948 Red Book; 1948 | 1948 Red Book | 1948-00-00 | CAMBRIA | Chief Engineer |
| Howell, John; 1948 Red Book; 1948 | 1948 Red Book | 1948-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; 1949 Red Book; 1949 | 1949 Red Book | 1949-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John | | | CAMBRIA | Chief Engineer |
| Howell, John; 1949 Red Book; 1949 | 1949 Red Book | 1949-00-00 | CAMBRIA | Chief Engineer |
| Howell, John; 1950 Red Book; 1950 | 1950 Red Book | 1950-00-00 | CAMBRIA | Chief Engineer |
| Howell, John; 1950 Red Book; 1950 | 1950 Red Book | 1950-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; 1951 Red Book; 1951 | 1951 Red Book | 1951-00-00 | P. W. D. NO. 117 | Chief Engineer |
| Howell, John; 1952 Red Book; 1952 | 1952 Red Book | 1952-00-00 | P.W.D. NO. 117 | Chief Engineer |