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 |
IWMA's members promote an integrated approach to mine water management, combining specialist expertise in hydrology, hydraulics, hydrogeology and water quality with geotechnical, environmental and mining skills. Our extensive experience in wet, arid and cold climates enables us to provide cost-effective, practical solutions for your project, and identify methods for more efficient utilisation of water in mining and mineral processing. (from one of our member web sites)
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