Portsmouth | Pearl Harbor | Portsmouth F.C. | Attack on Pearl Harbor | Portsmouth, New Hampshire | Bar Harbor, Maine | attack on Pearl Harbor | New York Harbor | Portsmouth, Ohio | Bar Harbor | Portsmouth Abbey School | Boston Harbor | Portsmouth, Virginia | HMNB Portsmouth | University of Portsmouth | Portsmouth International Port | Portsmouth Cathedral | harbor | Cold Spring Harbor, New York | Portsmouth, Rhode Island | Portsmouth, Dominica | Phoenix Sky Harbor International Airport | Grays Harbor | Victor Harbor, South Australia | Victor Harbor | Portsmouth Harbour railway station | Portsmouth and Southsea railway station | Harbor | Cold Spring Harbor Laboratory | Sackets Harbor, New York |
His early career including surveying the Patapsco River, sounding and mapping the approaches to New Orleans, surveying Portsmouth Harbor, and, as a lieutenant, helping to determine portions of the United States' borders with Canada and Mexico.