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Start Over Resource Class Datasets Format GeoTIFF Creator Langley, Henry G.
1861. Rumsey, David, 1944- and Langley, Henry G. This layer is a georeferenced image of a map of San Francisco County (1861). This map shows the western and southern parts of the peninsula, with t... Cartography Associates.
1873. Langley, Henry G. and Britton & Rey. This layer is a georeferenced image of a map from the 1873 San Francisco Directory. A scanned version of this map was georeferenced as part of the ... Stanford University. Center for Spatial and Textual Analysis.