"Windbreaks, shelterbelts, etc. Middle West." . . "Windbreaks, shelterbelts, etc / Middle West." . "Farmers' bulletin"@en . . . . . . . . . . . . . . "The windbreak as a farm asset"@en . "The windbreak as a farm asset" . . . . . . . . . . . . . . "Windbreaks, shelterbelts, etc." . . "United States. Department of Agriculture." . . "Middle West." . .