J.B Grinnell's activities with the Railroads, Cattle Industry, and City

Railroad

1853
1853
1854
1856
1857 - 1858
1858
1858
1859
1859 - 1870
1859
1860 - 1863
1863
1879

Cattle Industry

1862 - 1865
1865
1865
1865
1866
1868
1879
1880
1880
1880
1882
1884
1885

City

1846
1854
1854
1854 - 1874
1860 - 1880