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:
No. Yerba Buena Shoals Discharge from Dredge Sacramento April Time am NARA .tif Scope and content Yerba Buena Island is in the background The Sacramento known as pipeline dredge siphoned seabed sediment from one location and pumped it to another General notes Local identifier War Department Office of the Chief of Engineers