As a rule of thumb, one column graphs at a 300 dpi resolution need 1,000 pixels width.
| Original | Scan Mode | Resolution | Format |
| Monotone illustration (photo/transparency) | Greyscale (8 bits) | 300 dpi | TIFF |
| Color illustration (photo/transparency) | RGB or CMYK (24 bits) | 300 dpi | TIFF |
| Black/white line drawing | Line | 800—1200 dpi | EPS, PDF |
Not all mines produce Acid Mine Drainage or Acid Rock Drainage - in many cases the drainage water quality is very good. |
