1. Yujitu (Map of the Tracks of Yu), 1136 (Raster Image) Raster Stanford University Public content 1136. Rumsey, David, 1944-. This layer is a georeferenced image of a 1136 map titled 'Yujitu' (Map of the Tracks of Yu). This map's title derives from the Yugong, a treatise d... Cartography Associates.