Designing Better Maps: A Guide for GIS Users-
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From $25.82 (New)
From $25.82 (New)
| Last Seen | |
| Highest | $34.95 Feb 17, '16 |
| Lowest | $18.66 Jan 15, '16 |
| Average | $31.69 (30d avg) $28.77 (90d avg) $24.37 (180d avg) $22.10 (365d avg) $22.11 (Lifetime average) |
| Added | Sep 10, 2013 |
| Last Seen | |
| Highest | $24.50 Mar 12, '16 |
| Lowest | $9.99 Feb 12, '16 |
| Average | $23.38 (30d avg) $17.65 (90d avg) $17.20 (180d avg) $17.41 (365d avg) $17.84 (Lifetime average) |
| Added | Sep 10, 2013 |
| Last Seen | |
| Highest | $22.00 Sep 24, '14 |
| Lowest | $3.02 Feb 28, '16 |
| Average | $4.59 (30d avg) $6.95 (90d avg) $7.98 (180d avg) $7.87 (365d avg) $9.22 (Lifetime average) |
| Added | Sep 10, 2013 |
30 day average: 286,018
90 day average: 272,575