Rosalyn tells us about the Upper Paleozoic stratigraphy of Four Corners
Camera model NIKON D70 Shutter speed 1/800 Aperture f/128.0 Maximum aperture f/3.5 Exposure bias 0.00 Exposure Normal program Focal length 18mm Flash Off Metering CenterWeightedAverage ISO sensitivity 1000 Latitude 37.228039˚ N Longitude 109.72136˚ W Location Blanding, San Juan, Utah, United States