Knox Co., Maine.

1885

George N. Colby & Co.

1:222k

Knox Co., Maine.

1894

J.H. Stuart & Co.

1:222k

Navigation Chart of Penobscot Bay

1902

C&GS

1:80k

West Penobscot Bay

1881

1:80k

East Penobscot Bay

1947

1:40k

East Penobscot Bay

1943

1:40k

East Penobscot Bay

1931

1:40k

East Penobscot Bay

1920

1:40k

East Penobscot Bay

1915

1:40k

East Penobscot Bay

1911

1:40k