![Map showing the locations of works and surveys for river and harbor improvement: [United States]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NzkvMDEvMDEvbWFwLXNob3dpbmctdGhlLWxvY2F0aW9ucy1vZi13b3Jrcy1hbmQtc3VydmV5cy1mb3Itcml2ZXItYW5kLWhhcmJvci1pbXByb3ZlbWVudC0xMGIzZWItMTAyNC5qcGc%3D/40/30/webp "Map showing the locations of works and surveys for river and harbor improvement: [United States]")
Map showing the locations of works and surveys for river and harbor im...
Public domain image of the vintage map from NYPL Lionel Pincus and Princess Firyal Map Division, free to use, no copyright restrictions image. The Lionel Pincus and Princess Firyal Map Division is one of the wo... More
![Map showing the locations of works and surveys for river and harbor improvement: [United States]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NzkvMDEvMDEvbWFwLXNob3dpbmctdGhlLWxvY2F0aW9ucy1vZi13b3Jrcy1hbmQtc3VydmV5cy1mb3Itcml2ZXItYW5kLWhhcmJvci1pbXByb3ZlbWVudC0yMmUzZTAtMTAyNC5qcGc%3D/40/29/webp "Map showing the locations of works and surveys for river and harbor improvement: [United States]")
Map showing the locations of works and surveys for river and harbor im...
Public domain scan of a vintage map, plan, atlas, free to use, no copyright restrictions - Picryl description.
![Map showing the locations of works and surveys for river and harbor improvement: [United States]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NzkvMDEvMDEvbWFwLXNob3dpbmctdGhlLWxvY2F0aW9ucy1vZi13b3Jrcy1hbmQtc3VydmV5cy1mb3Itcml2ZXItYW5kLWhhcmJvci1pbXByb3ZlbWVudC1lYWIwNmEtMTAyNC5qcGc%3D/40/29/webp "Map showing the locations of works and surveys for river and harbor improvement: [United States]")
Map showing the locations of works and surveys for river and harbor im...
Public domain image of the vintage map from NYPL Lionel Pincus and Princess Firyal Map Division, free to use, no copyright restrictions image. The Lionel Pincus and Princess Firyal Map Division is one of the wo... More
![Map showing the locations of works and surveys for river and harbor improvement: [United States]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NzkvMDEvMDEvbWFwLXNob3dpbmctdGhlLWxvY2F0aW9ucy1vZi13b3Jrcy1hbmQtc3VydmV5cy1mb3Itcml2ZXItYW5kLWhhcmJvci1pbXByb3ZlbWVudC02OTYzYmItMTAyNC5qcGc%3D/40/29/webp "Map showing the locations of works and surveys for river and harbor improvement: [United States]")
Map showing the locations of works and surveys for river and harbor im...
Public domain image of a vintage map, geography atlas, maritime navigation, age of discovery, 16th-17th century, free to use, no copyright restrictions - Picryl description
![Map showing the locations of works and surveys for river and harbor improvement: [United States]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NzkvMDEvMDEvbWFwLXNob3dpbmctdGhlLWxvY2F0aW9ucy1vZi13b3Jrcy1hbmQtc3VydmV5cy1mb3Itcml2ZXItYW5kLWhhcmJvci1pbXByb3ZlbWVudC1lZDk1ZTItMTAyNC5qcGc%3D/40/29/webp "Map showing the locations of works and surveys for river and harbor improvement: [United States]")
Map showing the locations of works and surveys for river and harbor im...
Public domain scan of a vintage map, plan, atlas, free to use, no copyright restrictions - Picryl description.
![Map showing the locations of works and surveys for river and harbor improvement: [United States]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NzkvMDEvMDEvbWFwLXNob3dpbmctdGhlLWxvY2F0aW9ucy1vZi13b3Jrcy1hbmQtc3VydmV5cy1mb3Itcml2ZXItYW5kLWhhcmJvci1pbXByb3ZlbWVudC05OTQxYWMtMTAyNC5qcGc%3D/40/29/webp "Map showing the locations of works and surveys for river and harbor improvement: [United States]")
Map showing the locations of works and surveys for river and harbor im...
Public domain image of the vintage map from NYPL Lionel Pincus and Princess Firyal Map Division, free to use, no copyright restrictions image. The Lionel Pincus and Princess Firyal Map Division is one of the wo... More