Please note that this SEG/AAPG expanded abstract lacked proper attribution of Figure 2, reproduced below. The caption for this figure should have sourced an image that originally published in a United States patent application, to read:
Figure 2. Conventional determination procedure for sweep mode and fleet queue. Image adapted from Dean, 2012 (Figure 7), available at https://patentcenter.uspto.gov/applications/13167612.
Similarly, the full citation for the source work containing the figure should read:
Dean, T., 2012, Efficient seismic source operation in connection with a seismic survey. United States patent application: US13/167,612 (US20120075955A1), filed June 23, 2011, published March 29, 2012.