United States Department of Agriculture, Soil Conservation Service ; in cooperation with Texas Agricultural Experiment Station, and Texas State Soil and Water Conservation Board
United States Department of Agriculture, Soil Conservation Service ; in cooperation with the Texas Agricultural Experiment Station and ; the Texas State Soil and Water Conservation Board
United States Department of Agriculture, Soil Conservation Service ; in cooperation with Texas Agricultural Experiment Station ; and Texas State Soil and Water Conservation Board
United States Department of Agriculture, Soil Conservation Service ; in cooperation with the Texas Agricultural Experiment Station and Texas State Soil and Water Conservation Board
United States Department of Agriculture, Natural Resources Conservation Service ; in cooperation with Texas Agricultural Experiment Station and Texas State Soil and Water Conservation Board
United States Department of Agriculture, Soil Conservation Service ; in cooperation with Texas Agricultural Experiment Station and the Texas State Soil and Water Conservation Board