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1950. This layer is a georeferenced image of a plan showing a proposed rapid transit system for San Francisco. This plan was created in April 1950 by the... Stanford University. Center for Spatial and Textual Analysis.
1950. Powell, Susan and Navarro, Fernando. This line dataset represents railroads in and near Mongolia in 1950. The dataset was developed as part of the Mongolian 20th-century Historical GIS... UC Berkeley Library.
1950. Powell, Susan and Navarro, Fernando. This line dataset represents the roads in and near Mongolia in 1950. The features are identified as "Main automobile roads," "Other automobile road... UC Berkeley Library.