Topographic map of Roundtop Volcano, on the northern part of Unimak Island, Alaska.
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.
To obtain a high-resolution image, open the full size
page. Then, right click on the image and click
"Save Image As..." or "Save Picture as..."