Southbound out of Barstow, Ca.

“BOOMER—Drifter who went from one railroad job to another, staying but a short time on each job or each road. This term dates back to pioneer days when men followed boom camps. The opposite is home guard. Boomers should not be confused with tramps, although they occasionally became tramps. Boomers were railroad workers often in big demand because of their wide experience, sometimes blackballed because their tenure of stay was uncertain. Their common practice was to follow the “rushes”-that is, to apply for seasonal jobs when and where they were most needed, when the movement of strawberry crops, watermelons, grain, etc., was making the railroads temporarily short-handed. There are virtually no boomers in North America today. When men are needed for seasonal jobs they are called from the extra board”

~ from Railroad Avenue, by Freeman H. Hubbard – 1945