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1. Scanned 100k Scale Topographic Maps (Decollared), Arizona, 1970to1995

1970. United States. Geological Survey. This data set originated as a Digital Raster Graphic (DRG) produced from a scanned USGS topographic map. The DRG included the collar information an... United States. Geological Survey.

2. Scanned 24k Scale Topographic Maps (Decollared), Arizona, 1970 to 1995

1970. United States. Geological Survey. This data set originated as a Digital Raster Graphic (DRG) produced from a scanned USGS topographic map. The DRG included the collar information an... United States. Geological Survey.

3. Scanned 250k Scale Topographic Maps (Decollared), Arizona, 1970 to 1995

1970. United State. Geological Survey. This data set originated as a Digital Raster Graphic (DRG) produced from a scanned USGS topographic map. The DRG included the collar information an... United State. Geological Survey.