Columbia subject headings:
Harvard subject headings:
Accidents--United States--Prevention--Handbooks, manuals, etc.
Atmospheric circulation--United States--Photographs--Handbooks, manuals, etc.
Mountain passes--United States--Safety measures--Handbooks, manuals, etc.
Winds--United States--Handbooks, manuals, etc.
Princeton subject headings:
Meteorology in aeronautics.
Mountain flying--United States--Safety measures.
Winds--United States--Pictorial works.