Here are entered works on the methods and techniques employed in conducting agricultural surveys, and reports of individual surveys. For the latter, an additional subject entry is made under the heading [Agriculture--[local subdivision],] e.g. [1. Agriculture--Hawaii. 2. Agricultural surveys--Hawaii.] For agricultural surveys on a special topic, the additional subject entry is made under the special topic, e.g. [1. Irrigation farming--California. 2. Agricultural surveys--California.]