This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Letter thanking Millis for copy of the survey report which was read to members. NARA .tif of the terrain including many rivers as well as some discussion of wildlife encountered General notes Local identifier Department of Defense Department of the Army Office of the Chief of Engineers North Pacific Division NARA's Pacific