Dah Professor:
Perpendicular and Sideways
Dah Professor:
Sideways & Perpendicular
Dah Professor:
Smalls Falls
Dah Professor:
Smalls Falls
Dah Professor:
Smalls Falls
Dah Professor:
Smalls Falls
Dah Professor:
Tail-water
Dah Professor:
Electric Rainbow (a.k.a. Conowingo Rainbow)
Dah Professor:
Yellow Falls, Green River
Dah Professor:
Sign Wave
Dah Professor:
Pan-O
Dah Professor:
The Great Falls
Dah Professor:
Mirrorball Falls
Dah Professor:
Yellowstone Falls
Dah Professor:
Yellow Stone
Dah Professor:
The Great Fall
Dah Professor:
The Great Falls
Dah Professor:
The Great Falls