TY - BOOK AU - Leach,Smith S. ED - United States. ED - United States. TI - Engineer field manual..: I. Reconnaissance. II. Bridges. III. Roads. IV. Railroads. V. Field fortification. VI. Animal transportation T2 - [U. S. Engineer dept.] Professional papers of the Corps of engineers, U. S. Army AV - UG360 .U6 1912 PY - 1912/// CY - Washington PB - Govt. print. off. KW - Military field engineering N1 - "War department document no. 355. Office of the chief of engineers."; "Compiled...by lieut. Col. Smith S. Leach. "-p. 5; Bound with Addenda and errata... Prepared under the direction of the chief of engineers, U. S. Army, by the Board on engineer troops...Washington, Govt. print. off., 1916 ER -