Understanding Place: GIS and Mapping Across the Curriculum-
Amazon
From $3.19 (New)
From $3.19 (New)
| Last Seen | |
| Highest | $49.95 Jan 11, '16 |
| Lowest | $3.19 Mar 30, '16 |
| Average | $5.47 (30d avg) $25.81 (90d avg) $33.36 (Lifetime average) |
| Added | Oct 15, 2015 |
| Last Seen | |
| Highest | $23.36 Oct 15, '15 |
| Lowest | $2.28 Mar 10, '16 |
| Average | $2.28 (30d avg) $8.52 (90d avg) $14.31 (Lifetime average) |
| Added | Oct 15, 2015 |
| Last Seen | |
| Highest | $4.71 Dec 7, '15 |
| Lowest | $0.01 Feb 16, '16 |
| Average | $0.39 (30d avg) $0.69 (90d avg) $1.65 (Lifetime average) |
| Added | Oct 15, 2015 |
30 day average: 900,625
90 day average: 1,504,145