| ADAIR |
1880-1927 |
1880-1910;
1917-1921 |
1854-1933 |
| ADAMS |
1880-1913 |
1880-1942 |
1855-1913 |
| ALLAMAKEE |
1880-1904;
1906-1935 |
1880-1904;
1908-1935 |
1845-1928 |
| APPANOOSE |
1880-1904;
1906-1934 |
1880-1904;
1906-1935 |
1846-1928 |
| AUDUBON |
1880-1904;
1908-1928 |
1880-1904;
1908-1927 |
1856-1934 |
| BENTON |
1880-1904;
1906-1935 |
1880-1903;
1907-1935 |
1851-1936 |
| BLACK
HAWK |
1880-1904;
1906-1934 |
1880-1904;
1906-1935 |
1853-1928 |
| BOONE |
1880-1904;
1906-1932 |
1880-1904;
1906-1921 |
1851-1928 |
| BREMER |
1880-1904;
1906-1940 |
1880-1904;
1906-1941 |
1853-1931 |
| BUCHANAN |
1880-1904;
1906-1929 |
1880-1904;
1906-1934 |
1848-1931 |
| BUENA
VISTA |
1880-1904;
1906-1941 |
1880-1904;
1906-1918; 1923-1937 |
1877-1926 |
| BUTLER |
1880-1904;
1906-1935 |
1880-1904'
1906-1935 |
1854-1929 |
| CALHOUN |
1880-1903;
1906-1927 |
1880-1903;
1906-1932 |
1857-1928 |
| CARROLL |
1880-1904;
1906-1930 |
1880-1904;
1906-1935 |
1855-1928 |
| CASS |
1880-1904;
1906-1933 |
1880-1904;
1906-1940 |
1853-1930 |
| CEDAR |
1880-1904;
1906-1940 |
1880-1929 |
1841-1935 |
| CERRO
GORDO |
1880-1941 |
1880-1921 |
1855-1931 |
| CHEROKEE |
1880-1904;
1906-1940 |
1880-1904;
1906-1937 |
1859-1928 |
| CHICKASAW |
1880-1904;
1906-1927 |
1880-1904;
1906-1918 |
1853-1928 |
| CLARKE |
1880-1904;
1906-1935 |
1880-1904;
1906-1932 |
1852-1929 |
| CLAY |
1880-1904;
1906-1935 |
1880-1904;
1906-1941 |
1866-1928 |
| CLAYTON |
1880-1904;
1906-1929 |
1880-1904;
1906-1921 |
1839-1928 |
| CLINTON |
1880-1904;
1906-1932 |
1880-1885;
1890-1904; 1906-1911; 1914-1933 |
1840-1933 |
| CRAWFORD |
1880-1904;
1906-1941 |
1880-1904;
1906-1940 |
1853-1930 |
| DALLAS |
1880-1904;
1906-1925 |
1880-1904;
1906-1921 |
1851-1928 |
| DAVIS |
1880-1941 |
1880-1904;
1906-1939 |
1844-1953 |
| DECATUR |
1880-1904;
1906-1938 |
1880-1904;
1906-1948 |
1874-1933 |
| DELAWARE |
1880-1904;
1906-1940 |
1880-1904;
1906-1931 |
1844-1930 |
| DES
MOINES |
1880-1904;
1906-1934 |
1880-1904;
1906-1935 |
1835-1930 |
| DICKINSON |
1880-1904;
1906-1948 |
1880-1904;
1906-1947 |
1871-1934 |
| DUBUQUE |
1880-1904;
1906-1940 |
1880-1904;
1906-1940 |
1835-1928 |
| EMMET |
1880-1904;
1906-1935 |
1880-1904;
1906-1921 |
1876-1928 |
| FAYETTE |
1880-1904;
1906-1927 |
1880-1904;
1906-1935 |
1861-1928 |
| FLOYD |
1880-1904;1906-1910;
1918-1935 |
1880-1904;
1906-1934 |
1854-1931 |
| FRANKLIN |
1880-1904;
1906-1937 |
1880-1904;
1906-1941 |
1855-1925 |
| FREMONT |
1880-1904;
1906-1935 |
1880-1904;
1906-1935 |
1848-1929 |
| GREENE |
1880-1904;
1906-1940 |
1880-1904;
1906-1935 |
1855-1930 |
| GRUNDY |
1880-1904;
1906-1929 |
1880-1904;
1906-1921 |
1856-1932 |
| GUTHRIE |
1880-1904;
1906-1939 |
1880-1904;
1906-1942 |
1852-1930 |
| HAMILTON |
1880-1904;
1906-1940 |
1880-1904;
1906-1927 |
1857-1925 |
| HANCOCK |
1880-1904;
1906-1941 |
1880-1904;
1906-1947 |
1861-1930 |
| HARDIN |
1880-1904;
1906-1933 |
1880-1904;
1906-1920 |
1853-1928 |
| HARRISON |
1880-1903;
1906-1927 |
1880-1904;
1906-1910; 1921-1934 |
1853-1926 |
| HENRY |
1880-1904;
1906-1935 |
1880-1904;
1906-1935 |
1836-1931 |
| HOWARD |
1880-1904;
1906-1932 |
1880-1904;
1906-1932 |
1875-1930 |
| HUMBOLDT |
1880-1904;
1906-1935 |
1885-1904;
1906-1935 |
1858-1927 |
| IDA |
1880-1904;
1906-1941 |
1880-1904;
1906-1938 |
1868-1925 |
| IOWA |
1880-1904;
1906-1910; 1918-1935 |
1880-1903;
1906-1920; 1922-1927; 1929-1935 |
1847-1931 |
| JACKSON |
1880-1904;
1906-1935 |
1890-1895;
1903-1904; 1906-1914; 1921-1930 |
1847-1931 |
| JASPER |
1880-1896;
1904-1906; 1909-1930 |
1880-1904;
1907-1918; 1921-1924 |
1846-1929 |
| JEFFERSON |
1880-1904;
1906-1941 |
1880-1904;
1906-1936 |
1839-1936 |
| JOHNSON |
1880-1910;
1915-1940 |
1880-1904;
1907-1940 |
1839-1910 |
| JONES |
1880-1904;
1906-1935 |
1880-1904;
1906-1931 |
1833-1920 |
| KEOKUK |
1880-1904;
1906-1940 |
1880-1905;
1907-1919; 1922-1938 |
1844-1910;
1913-1934 |
| KOSSUTH |
1880-1904;
1906-1932 |
1880-1919;
1923-1939 |
1857-1928 |
| LEE |
1880-1904;
1906-1940 |
1880-1904;
1906-1919 |
1837-1940 |
| LINN |
1880-1904;
1906-1926 |
1880-1904;
1906-1919; 1921-1935 |
1840-1928 |
| LOUISA |
1880-1904;
1906-1935 |
1880-1904;
1906-1932 |
1842-1950 |
| LUCAS |
1880-1904;
1906-1935 |
1880-1904;
1906-1911; 1922-1935 |
1849-1930 |
| LYON |
1880-1904;
1906-1936 |
1880-1904;
1906-1919 |
1872-1928 |
| MADISON |
1880-1904;
1906-1941 |
1880-1904;
1906-1941 |
1855-1933 |
| MAHASKA |
1880-1947 |
1880-1919;
1921-1931 |
1844-1939 |
| MARION |
1880-1904-1906-1941 |
1880-1904;
1906-1932 |
1845-1928 |
| MARSHALL |
1880-1904;
1906-1934 |
1880-1904;
1906-1932 |
1850-1930 |
| MILLS |
1880-1904;
1906-1940 |
1880-1904;
1906-1937 |
1852-1925 |
| MITCHELL |
1880-1904;
1906-1941 |
1880-1904;
1907-1919 |
1855-1930 |
| MONONA |
1880-1904;
1906-1944 |
1880-1904;
1906-1919; 1921-1930 |
1856-1928 |
| MONROE |
1880-1894;
1897-1904; 1906-1929 |
1880-1905;
1906-1919; 1921-1935 |
1845-1941 |
| MONTGOMERY |
1880-1904;
1906-1941 |
1880-1904;
1906-1916; 1922-1940 |
1855-1925 |
| MUSCATINE |
1880-1904;
1906-1935 |
1880-1904;
1906-1935 |
1837-1940 |
| O'BRIEN |
1880-1904;
1906-1921; 1926-1929 |
1880-1904;
1907-1919; 1923-1935 |
1860-1928 |
| OSCEOLA |
1880-1941 |
1880-1904;
1906-1941 |
1872-1928 |
| PAGE |
1880-1904;
1906-1929 |
1880-1904;
1906-1935 |
1852-1929 |
| PALO
ALTO |
1880-1904;
1906-1921 |
1880-1904;
1906-1919 |
1860-1929 |
| PLYMOUTH |
1880-1938 |
1880-1904;
1907-1919; 1921-1941 |
1871-1928 |
| POCAHONTAS |
1880-1904;
1906-1928 |
1880-1903;
1906-1919; 1921-1937 |
1859-1926 |
| POLK |
1880-1904;
1906-1921 |
1880-1903;
1907 |
1846-1914;
1917-1926 |
| POTTAWATTAMIE |
1880-1904;
1906-1921 |
1882-1904;
1906-1919 |
1848-1856;
1869-1928 |
| POWESHIEK |
1880-1903;
1906-1927 |
1880-1903;
1907-1918; 1922-1930 |
1848-1931 |
| RINGGOLD |
1880-1904;
1906-1934 |
1880-1904;
1906-1922 |
1855-1913 |
| SAC |
1880-1935 |
1880-1904;
1906-1941 |
1863-1867;
1878-1883; 1888-1929 |
| SCOTT |
1880-1926 |
1880-1904;
1906-1917; 1921-1931 |
1838-1930 |
| SHELBY |
1880-1904;
1906-1941 |
1880-1904;
1906-1935 |
1853-1926 |
| SIOUX |
1880-1904;
1906-1921 |
1880-1904;
1906-1940 |
1871-1925 |
| STORY |
1880-1904;
1906-1933 |
1880-1904;
1906-1919; 1921-1941 |
1854-1926 |
| TAMA |
1880-1904;
1906-1938 |
1880-1904;
1906-1919-1921-1941 |
1853-1932 |
| TAYLOR |
1880-1904;
1906-1935 |
1880-1904;
1906-1935 |
1851-1928 |
| UNION |
1880-1904;
1906-1927 |
1880-1904;
1906-1941 |
1864-1928 |
| VAN
BUREN |
1880-1904;
1906-1941 |
1880-1904;
1906-1941 |
1837-1937 |
| WAPELLO |
1880-1903;
1907-1921 |
1880-1903;
1907-1921 |
1844-1928 |
| WARREN |
1880-1904;
1906-1935 |
1880-1904;
1906-1934 |
1850-1928 |
| WASHINGTON |
1880-1904;
1906-1929 |
1880-1904;
1906-1931 |
1844-1932 |
| WAYNE |
1880-1904;
1906-1930 |
1880-1904;
1906-1918; 1921-1934 |
1851-1934 |
| WEBSTER |
1880-1904;
1906-1923 |
1880-1904;
1906-1919; 1921-1924 |
1853-1926 |
| WINNEBAGO |
1880-1904;
1906-1935 |
1880-1904;
1906-1919; 1921-1935 |
1868-1928 |
| WINNESHIEK |
1880-1904;
1906-1941 |
1880-1904;
1907-1919; 1921-1941 |
1851-1925 |
| WOODBURY |
1880-1927 |
1880-1904;
1907-1929 |
1854-1928 |
| WORTH |
1880-1904;
1906-1921 |
1880-1904;
1906-1919 |
1853-1927 |
| WRIGHT |
1880-1904;
1906-1938 |
1880-1904;
1906-1940 |
1855-1925 |