Joanne reports that they memorized every boulder on their numerous trips , frequently done in the dark and with no headlamps .
Keeping the camp stocked was a major effort in itself , requiring many trips up the rocky streambed of Oak Creek .
Joanne reports that they memorized every boulder on many 's numerous trips , frequently done in the dark and with no headlamps .
Keeping the camp stocked was a major effort in itself , requiring many trips up the rocky streambed of Oak Creek .