| | As of 05/20/2003 |
2195 General Correspondence. 1898-1964
Geological Survey | |
| Undated Correspondence | 11220 |
| Undated Correspondence | 11221 |
| General Correspondence: 1898-1908 | 11222 |
| General Correspondence: 1909-1910 | 11223 |
| General Correspondence: 1911-1912 | 11224 |
| General Correspondence: 1913 | 11225 |
| General Correspondence: 1914 | 11226 |
| General Correspondence: 1915-1916 | 11227 |
| General Correspondence: 1917-1918 | 11228 |
| General Correspondence: 1919 | 11229 |
| General Correspondence: 1920 (Jan - Jul) | 11230 |
| General Correspondence: 1920 (Aug - Dec) | 11231 |
| General Correspondence: 1921 | 11232 |
| General Correspondence: 1922 | 11233 |
| General Correspondence: 1923 | 11234 |
| General Correspondence: 1924 | 11235 |
| General Correspondence: 1925 | 11236 |
| General Correspondence: 1926 | 11237 |
| General Correspondence: 1927 | 11238 |
| General Correspondence: 1928 | 11239 |
| General Correspondence: 1929-1932 | 11240 |
| General Correspondence: 1933-1935 | 11241 |
| General Correspondence: 1936 | 11242 |
| General Correspondence: 1937 (Jan - Jun) | 11243 |
| General Correspondence: 1938 (Jul - Dec) | 11244 |
| General Correspondence: 1938 (Jan - Jun) | 11245 |
| General Correspondence: 1939 (Jan - Jun) | 11246 |
| General Correspondence: 1939 (Jul - Dec) | 11247 |
| General Correspondence: 1940 (Jan - Jun) | 11248 |
| General Correspondence: 1940 (Jul - Dec) | 11249 |
| General Correspondence: 1941 (Jan - May) | 11250 |
| General Correspondence: 1941 (Jun - Dec) | 11251 |
| General Correspondence: 1942 | 11252 |
| General Correspondence: 1943 | 11253 |
| General Correspondence: 1944 (Jan - Jun) | 11254 |
| General Correspondence: 1944 (Jul - Dec) | 11255 |
| General Correspondence: 1945 | 11256 |
| General Correspondence: 1946 | 11257 |
| General Correspondence: 1947 | 11258 |
| General Correspondence: 1948 (Jan - Jun) | 11259 |
| General Correspondence: 1948 (Jul - Dec) | 11260 |
| General Correspondence: 1949 (Jan - Jun) | 11261 |
| General Correspondence: 1949 (Jul - Dec) | 11262 |
| General Correspondence: 1950 | 11263 |
| General Correspondence: 1951 | 11264 |
| General Correspondence: 1952 (Jan - Jun) | 11264 |
| General Correspondence: 1952 (Jul - Dec) | 11265 |
| General Correspondence: 1953 | 11265 |
| General Correspondence: 1954-1955 | 11266 |
| General Correspondence: 1956-1959 | 11267 |
| General Correspondence: 1964 | 11267 |
