• Description
  • Photographer's reference number: 20550.Filed in: UW - Departments, Mining (#775).
  • Format
  • Photograph: b&w
    7 7/8 x 9 5/8 in.
    Scanned as a 3000 pixel TIFF image in 24-bit RGB color or 8-bit grayscale, resized to 640 or 600 pixels in the longest dimension and compressed into JPEG format using Photoshop 6.0 and its JPEG quality measurement 3