Title: Petrified volcanic ash Description: A portion of petrified volcanic ash that was taken from the Redwood National and State Parks in northern California that is embedded within the walls of the Tribune Tower in downtown Chicago, Illinois; Location: Chicago, Illinois, September 4, 2009 Category: Architecture Topic: Illinois Subject: Chicago Keywords: architectural artifacts, architectural relics, stones, Tribune Tower, Chicago, Illinois, rocks, brick, volcanic ash, petrified, Redwood Forrest, Redwood National and State Park, California Orientation: Portrait Dimensions: 2400 x 3000 (7.20 MPixels) (1.25) Print Size: 20.3 x 25.4 cm; 8.0 x 10.0 inches File Size: 20.63 MB (21,631,376 Bytes) Resolution: 300 x 300 dpi Color Depth: 16.7 million (24 BitsPerPixel) Compression: None Image Number: 0000257454c Source: Jay Robert Nash Collection
|