Columbia subject headings:
Harvard subject headings:
Loggers--British Columbia--History.
Loggers--Pacific States--History.
Logging--Accidents--British Columbia--History
Logging--Accidents--Pacific States--History
Princeton subject headings:
Loggers--British Columbia--History.
Loggers--Pacific States--History.
Logging--Accidents--British Columbia--History.
Logging--Accidents--Pacific States--History.