1. goil survey interpretations for woodlands in southern Coastal Plain and Blackbelt areas of Arkansas, Louisiana, Oklahoma, and Texas with average rainfall of 25 to 30 inches during frost-free period, Progress report, W-2, July 1968. Bookmark Corporate/Agency Authors: Soil Conservation Service and Agriculture Dept. Publisher: Soil Conservation Service Date: 1968 SuDoc number: A 57.58:2