Vols. for 1924-25 are reprinted from the 25th-26th Annual Iowa year book of agriculture; vols. for 1926-27, <-1933> are reprinted from part 16 of the 27th-28th, <-34th> Annual Iowa year book of agriculture; vols. for 1928-<30> are reprinted from part 17 of the 29th-<31st> Annual Iowa year book of agriculture; vols. for 1934- are reprinted from part 13 of the 35th- Annual Iowa year book of agriculture.
Continues: Iowa. Weather and Crop Service. Annual report for ...