TY  - BOOK
ED  - United States.
TI  - Orders and regulations, Corps of Engineers, U.S. Army
AV  - UG23 .A6 1917
PY  - 1917///
CY  - Washington
PB  - Govt. Print. Off.
KW  - United States
KW  - Army
KW  - Corps of Engineers
N1  - War Dept. doc. no. 622
ER  -