TY  - BOOK
ED  - United States.
TI  - Instructions for airways observers ..
T2  - Its Circular N, Aerological division
AV  - TL556 .U6 1932
U1  - 629.1324 
PY  - 1932///
CY  - Washington
PB  - U.S. Govt. Print.
KW  - Meteorology
KW  - Observers' manuals
KW  - Meteorology in aeronautics
N1  - At head of title: W.B. no. 1059. United States. Dept. of Agriculture. Weather Bureau; Third edition, 1935, has title: Instructions for airway meteorological service
ER  -