File:Baker 1936 USGS Bulletin 865 plate-1.jpg
Size of this preview: 800 × 504 pixels. Other resolutions: 320 × 202 pixels | 640 × 403 pixels | 1,024 × 645 pixels | 1,280 × 807 pixels | 2,560 × 1,613 pixels | 17,361 × 10,939 pixels.
Original file (17,361 × 10,939 pixels, file size: 12.57 MB, MIME type: image/jpeg)