Apollo 15 Hasselblad image from film magazine 88/TT - EVA-3.  This photo is used in figure 7-19 of the <i>Apollo 15 Preliminary Science Report</i> (NASA SP-289, 1972), which has the following caption:<br>Cross-Sun view of soil-mechanics trench at failed vertical wall.
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2015-09-23 14:08
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