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:
New Orleans de la Tour map . Map of New Orleans the de la Tour survey of as published in showing the city Lake Pontchartrain Basin and lower Missisissippi River Copyright expired Other version Cropped version just showing Pontchartrain Basin map at upper right Image Lake Borgne de la Tour map Lake Pontchartrain old maps of New