This is figure 5-101 (b) of the <i>Apollo 15 Preliminary Science Report</i> (NASA SP-289, 1972), which has the following caption:<br>Samples 15415 and 15435. (a) Presampling, cross-Sun photograph, looking south (AS15-86-11670). (b) Sample environment sketch map. (c) Presampling, down-Sun photograph, looking west (AS15-90-12227). (d) Sample environment sketch map of vicinity, showing distribution of only the light clasts.
NASA Manned Spacecraft Center
1972
<i>Apollo 15 Preliminary Science Report</i> (NASA SP-289, 1972)