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Sliding Rocks on Racetrack Playa, Death Valley National Park: First Observation of Rocks in Motion

Figure 7

Error analysis of GPS-instrumented rock movement events.

Note that the uncertainty in rock velocity is generally less than 0.2–0.3 m/minute in comparison with the recorded 2–6 m/minute velocities (Fig. 6).

doi: https://doi.org/10.1371/journal.pone.0105948.g007