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grl27352-sup-0001-readme.txtplain text document8KReadme.txt
grl27352-sup-0002-fs01.pdfPDF document1310KFigure S1. This pass occurred on July 28, 2008, and has features very similar to Figure 3 in the paper.
grl27352-sup-0003-fs02.pdfPDF document1202KFigure S2. This pass occurred on August 26, 2008, and has been selected to show that sometimes the density boundary is poorly defined.
grl27352-sup-0004-fs03.pdfPDF document1150KFigure S3. This pass occurred on June 30, 2008, and shows some even more complicated features.

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