This image shows an expansive field of lettuce located in the fertile Salinas River valley, where much of the U. S. domestic lettuce crop is grown.
Color by Bolty
The description states:
VALUABLE ACRES
Of crisp head lettuce being readied to uphold Salinas legendary reputation as “The Salad Bowl of the Nation.”
—Salinas is a city as well as a river and associated valley, and is the seat of government for Monterey County.
This postcard likely dates from the 1950s.