Excerpt from the report Highlights: This report analyzing costs and margins for lettuce is one of a group of such reports being published by the Agricultural Marketing Service and is part of a broad research program aimed at improving market efficiency, and expanding markets for farm products. It gives the results of a study of the changes in marketing costs and margins for California lettuce sold in the two largest markets in the United States, New York City and Chicago. The report covers the decade from 1946 to 1956.