A small pothole in the rock in an Oregon river

EXIF Information extracted from file:
Artist: Raymond Klass
DateTimeOriginal: 2007:06:25 07:30:27
ImageDescription: Reflections in Sweet Creek, Oregon, USA
Copyright: Copyright © 2008 Raymond Klass
Camera Make: NIKON CORPORATION
Camera Model: NIKON D300
Exposure Time: 1.6 seconds
FNumber: 22.0
ISO Speed Ratings: ISO 125
Exposure Program: Manual
ExposureBiasValue: 0
MaxApertureValue: 2.8
MeteringMode: multi-segment
Flash: Flash did not fire
FocalLength: 10.5 mm
Software: Adobe Photoshop CS4 Macintosh