
Rock Quality, Seismic Velocity, Attenuation and Anisotropy-
Amazon
From $168.51 (New)

From $168.51 (New)

| Last Seen | |
| Highest | $249.01 Feb 8, '16 |
| Lowest | $167.96 Feb 3, '16 |
| Average | $207.17 (30d avg) $197.38 (90d avg) $184.63 (180d avg) $189.63 (Lifetime average) |
| Added | May 9, 2015 |
| Last Seen | |
| Highest | $214.72 Jul 16, '15 |
| Lowest | $164.00 Jan 14, '16 |
| Average | $183.44 (30d avg) $173.64 (90d avg) $170.03 (180d avg) $179.85 (Lifetime average) |
| Added | May 9, 2015 |
| Last Seen | |
| Highest | $221.79 Jun 21, '15 |
| Lowest | $92.77 Mar 28, '16 |
| Average | $92.81 (30d avg) $97.65 (90d avg) $118.84 (180d avg) $155.77 (Lifetime average) |
| Added | May 9, 2015 |
30 day average: 2,424,580
90 day average: 2,029,845