“Office of Coast Survey’s Historical Map & Chart Collection covers the land and waters of the United States of America, including territories and possessions (past and present). The images are free to download, and may be used for commercial or educational purposes. Although not required, we encourage users to cite “NOAA’s Historical Map & Chart Collection” when using the image(s).” – NOAA
NOAA Histroical Map & Chart Collection
- GEOTIFF/JPEG
- Other