lacustrine Click the image to see the original photo at maximum resolution (potentially large files). Click the title to see a full description, geolocation, and more. Photos 1 - 5 of 5 azgs_photo Sequence stratigraphy for the Bouse and Bullhead Formations azgs_photo Bouse marl at Silver Creek azgs_photo Chalk Mountain, Horseshoe Reservoir, Arizona azgs_photo Bidahochi Formation exposed at Roberts Mesa azgs_photo Investigating the Upper Bidahochi Formation, Roberts Mesa, Arizona