maar 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 - 6 of 6 azgs_photo Rattlesnake Crater II - San Francisco volcanic field azgs_photo Rattlesnake Crater I - San Francisco volcanic field azgs_photo Central Hopi Buttes volcanic field, northern Arizona azgs_photo Maar volcano of the San Bernardino volcanic field azgs_photo Hopi Buttes Volcanic Field, northern Arizona azgs_photo Pinacate Volcanic Field, Arizona-Mexico
