Topographic shaded relief map of the southern part of the Katmai area, including Snowy, Griggs, Trident, Novarupta, Falling Mtn., Mt. Cerberus, Martin, and Mageik.
Image created by the Alaska Volcano Observatory using BigTopo 7 software and AllTopo 7 U.S. Geological Survey topographic maps.
Please cite the Alaska Volcano Observatory, the U.S. Geological Survey, BigTopo 7, and AllTopo 7 when using this image.
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