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1974. Rosenberg, Lewis I. This digital raster graphic (DRG) is a composite raster image of two scanned 1974 USGS topographic maps including the collar information, georefere... Lew Rosenberg, Consulting Geologist.
1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, and 1980. This layer is a georeferenced image of a site plan of the Jefferson Square neighborhood in San Francisco. A scanned version of this map was georefe... Stanford University. Center for Spatial and Textual Analysis.