g.s.springer:
Helicopter dropped us off in jungle
g.s.springer:
Helicopter dropped us off in jungle
g.s.springer:
Rio Chagres, Panama
g.s.springer:
Chagres River
g.s.springer:
Chagres River
g.s.springer:
Chagres River
g.s.springer:
Rio Chagres, Panama
g.s.springer:
Chagres River
g.s.springer:
Chagres River
g.s.springer:
Chagres River
g.s.springer:
Chagres River
g.s.springer:
Chagres River
g.s.springer:
Fractured rocks in riverbed
g.s.springer:
Chagres River
g.s.springer:
Erosion by abrasive floodwaters
g.s.springer:
Chagres River at Dos Cascades
g.s.springer:
Chagres River
g.s.springer:
Pothole carved by floodwaters
g.s.springer:
Pothole carved by abrasive floodwaters
g.s.springer:
Pothole!
g.s.springer:
Pothole!
g.s.springer:
Abrasion-sculpted rocks in riverbed
g.s.springer:
Abrasion-sculpted rocks in riverbed
g.s.springer:
Rock sculpted by abrasive floodwaters
g.s.springer:
Abrasion-sculpted rocks in riverbed
g.s.springer:
Erosion of rock by quarrying
g.s.springer:
Rock erosion
g.s.springer:
Rock erosion
g.s.springer:
Weathered rocks
g.s.springer:
Blue frog
