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<br /> <br />Figure 12. Typical gully on face of Gallo Bluff. <br />In background, loose overhanging sandstone blocks <br />can be seen. Dark color just below center is from <br />water seepage. In lower center, note loose rock <br />rubble and recently fallen tree. <br /> <br />'. <br /> <br /> <br />I <br />.p. <br />t-' <br />I <br /> <br />:-\ <br /> <br />Figure 13. Typical appearance of middle part of <br />Gallo Bluff. More resistant sandy beds stand near- <br />vertical ,with numerous open and weathered joints <br />back of cliff face. <br />