From a trigonometrical survey under the direction of A. D. Bache, Benjamin Pierce & Carlile P. Patterson, superintendents of the Survey of the Coast of the United States
No known copyright restrictions.
This work is licensed for use under a Creative Commons Attribution Non-Commercial No Derivatives License (CC BY-NC-ND).
Publisher:
Washington, D. C. :
United States Coast Survey
Scale:
Scale 1:400,000
Notes:
Title from item.
Handwritten note on map calls this an "unfinished proof."