1951 Map of Mount Katmai C-1

About this map

The dramatic Kaguyak Volcano (Crater Lake) dominates the eastern landscape of this mid-century survey, a period when the area was managed as part of the Katmai National Monument. The map illustrates the complex drainage systems of the Big River and Ninagiak River, where multiple branches weave through the glacially-carved valleys. This 1951 documentation captures the terrain before its eventual redesignation as a national park, showing the established National Monument Boundary as it stood during the early post-war era of Alaskan territorial mapping. The topography, derived from 1951 aerial photography, provides a precise record of the caldera and the high ridges that define this volcanic region of the Alaska Peninsula.