1. Zones of intensive urban land use in the Ruhr [cartographic material] / compiled and drawn in the Creator: United States. Office of Strategic Services. Research and Analysis Branch Published / Created: 1943 Call Number: 364g 1943 Container / Volume: BRBL_00144 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Zones of intensive urban land use in the Ruhr [cartographic material] / compiled and drawn in the Branch of Research and Analysis, OSS.