10.6084/m9.figshare.5621332.v1 James L. Dickson James L. Dickson James W. Head James W. Head Joseph S. Levy Joseph S. Levy Gareth A. Morgan Gareth A. Morgan David R. Marchant David R. Marchant Gully formation in the McMurdo Dry Valleys, Antarctica: multiple sources of water, temporal sequence and relative importance in gully erosion and deposition processes Geological Society of London 2017 Gully formation McMurdo Dry Valleys deposition processes Punctuated activity sequence source importance Figure 4 b Site gully erosion December 2010. Vantage point Geology 2017-11-21 16:22:32 Media https://geolsoc.figshare.com/articles/media/Gully_formation_in_the_McMurdo_Dry_Valleys_Antarctica_multiple_sources_of_water_temporal_sequence_and_relative_importance_in_gully_erosion_and_deposition_processes/5621332 Punctuated activity on the fan of Gully A during December 2010. Vantage point shown in Figure 4b (Site 2).