Mark Birkle:
Grayson Lake KY - Paddle Vortex
Mark Birkle:
Grayson Lake - Fall Foliage on Sandstone
Mark Birkle:
Grayson Lake KY Grotto Falls
Mark Birkle:
Grayson Lake - Kayaker
Mark Birkle:
Grayson Lake - Top of the Falls HDR B&W
Mark Birkle:
Grayson Lake Grotto - Passage Out Color
Mark Birkle:
Grayson Lake Grotto - Passage Out B&W
Mark Birkle:
Grayson Lake - Grotto - The Way In
Mark Birkle:
Grayson Lake Kentucky State Park - Bob
Mark Birkle:
Grayson Lake - Island
Mark Birkle:
Grayson Lake - Evening Sun