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Price Details
New
| Latest |
$6.20 Apr 4, '16
|
| Highest |
$7.95 Jun 15, '15
|
| Lowest |
$6.08 Dec 11, '15
|
| Average |
$6.18 (30d avg) $6.15 (90d avg) $6.18 (180d avg) $6.78 (365d avg) $7.13 (Lifetime average) |
| Added |
Sep 10, 2013 |
3rd Party New
| Latest |
$3.73 Apr 4, '16
|
| Highest |
$5.46 Sep 16, '15
|
| Lowest |
$2.94 Jul 14, '14
|
| Average |
$3.76 (30d avg) $3.83 (90d avg) $3.83 (180d avg) $3.84 (365d avg) $3.71 (Lifetime average) |
| Added |
Sep 10, 2013 |
3rd Party Used
| Latest |
$3.73 Apr 4, '16
|
| Highest |
$6.29 Aug 30, '15
|
| Lowest |
$2.44 Feb 12, '16
|
| Average |
$3.76 (30d avg) $3.71 (90d avg) $3.82 (180d avg) $3.90 (365d avg) $3.74 (Lifetime average) |
| Added |
Sep 10, 2013 |
Sales Rank
30 day average: 112,790
90 day average: 145,252
Product Description
Describes the process of erosion and how water, ice, wind, and sun wear away at Earth's surface.
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