00777cam a22002291 4500 war17000147 DLC 20260227112811.0 741001s1917 xx 000 0 eng war17000147 (OCoLC)1026154 DLC N DLC premarc UG470 .S76 Spalding, George R. Training manual in topography, map reading and reconnaissance. Prepared by Major George R. Spalding... under the direction of the chief of engineers, U. S. Army. Washington, Govt. Print. Off., 1917. 151 p. incl. tabls, diagrs. 23 cm. Military topography. Military reconnaissance. United States. Army. Corps of Engineers. 92320 92320