| Blanchard, Charles R.; 1920 Red Book; 1920 | 1920 Red Book | 1920-00-00 | WILBERT L. SMITH | Chief Engineer |
| Blanchard, Charles R.; 1921 Red Book; 1921 | 1921 Red Book | 1921-00-00 | WILBERT L. SMITH | Chief Engineer |
| Blanchard, Charles R.; 1922 Red Book; 1922 | 1922 Red Book | 1922-00-00 | WILBERT L. SMITH | Chief Engineer |
| Blanchard, Charles R.; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | HURLBUT W. SMITH | Chief Engineer |
| Blanchard, Charles R.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | HURLBUT W. SMITH | Chief Engineer |
| Blanchard, Charles R.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | HURLBUT W. SMITH | Chief Engineer |
| Blanchard, Charles R.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | HURLBUT W. SMITH | Chief Engineer |
| Blanchard, Charles R.; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | HURLBUT W. SMITH | Chief Engineer |
| Blanchard, Charles R.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | HURLBUT W. SMITH | Chief Engineer |
| Blanchard, Charles R.; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | HURLBUT W. SMITH | Chief Engineer |
| Blanchard, Charles R.; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | HURLBUT W. SMITH | Chief Engineer |