Annual Report of the Secretary of War, Volume 2

30 feet aqueduct 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 conduit copper bolt leaded Council Bluffs Creek cubic yards depot Difference Resid dike Dir Rev Direct Reverse line Distance from Direc eleva Elevation above St elevations of precise feet east feet from center feet north feet south feet west fence foot of bluff Former by ancy Gasconade gauge highest point inches initial tion Iowa Island foot Jefferson City Kansas City Landing Length of stretch level bench marks Louis City Directrix mark in copper Meters milepost miles Missouri River natural ledge northeast corner Number piles point in square precise level bench precise level results punch mark railroad repairs revetment rock side of track Sioux City square cut Tabulation of precise Top of cap top of spike uals Washington Aqueduct