Annual Report of the Secretary of War

30 feet B. M. stone Big Sioux River bluff side bolt in B. M. bolt leaded horizontally Bonnots Mill bridge cap T. B. M. center of punch common levels copper bolt leaded Council Bluffs Creek depot Difference Resid dike Dir Rev Mean Direct Reverse line Distance from Direc Elevation above St feet east feet from center feet north feet south feet west fence foot of bluff Gasconade gauge highest point inches initial tion Iowa Island foot Jefferson City June 30 Kansas City Landing Length of stretch level bench marks Louis City Directrix mark in copper Mean Dir Rev Meters milepost miles Missouri River mouth of Missouri natural ledge northeast corner Number pier piles point in square precise level bench precise level results punch mark railroad repairs Rev Mean revetment rock side of track Sioux City square cut station Tabulation of precise Top of cap top of spike uals