41. Soil conservation. 1936 agricultural conservation program, northeast region: Compilation of soil-building practices and conditions as contained in Bulletin 2 and amendments thereto for Pennsylvania [as of Sept. 3, 1936]; prepared by Northeast Division. Bookmark Corporate/Agency Authors: Agricultural Adjustment Administration and Agriculture Department Publisher: Agricultural Adjustment Administration Date: [1936.] SuDoc number: A 55.44/3:2 P 38/936-3