This is figure 5-120 (b) of the <i>Apollo 15 Preliminary Science Report</i> (NASA SP-289, 1972), which has the following caption:<br>Sample 15555 and vicinity. (a) Presampling, cross-Sun photograph, looking south. (b) Sketch map; rock fragments and clods approximately 1 cm across are shown.<br>This is at station 9A near the edge of Hadley Rille.  The large rock is informally known as <i><a href="https://en.wikipedia.org/wiki/Great_Scott_(lunar_sample)" class="extiw" title="en:Great Scott (lunar sample)">Great Scott</a></i>.
NASA Manned Spacecraft Center
1972
<i>Apollo 15 Preliminary Science Report</i> (NASA SP-289, 1972)