Penobscot River, from Bangor to Bucksport Narrows, exami.
nation and survey of......
Pensacola, Fla., resurvey of outer and inner bars at......
Pensacola Harbor, Fla., improvement of
Pensaukee Harbor, Wis., improvement of
Pentwater Harbor, Mich., improvement of
Pere Marquette Harbor, Mich. (see Ludington)
Petaluma Creek, Cal., improvement of...
Petit Jean River, Ark., improvement of.
Plattsburgh Harbor, N. Y., improvement of..
Plymouth Harbor, Mass., improvement of.
Pocomoke River, Md., improvement of.
Portage Lake, Mich., harbor lines in...
Portage Lake, Mich., harbor of refuge at.