21. Augusta, ME. Yale Public content 1958. 2011-12-12T21:27:57Z. 2022-03-29T20:39:31Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maine.
22. Baker Lake Yale Public content 1964. 2011-12-12T21:27:58Z. 2022-03-29T20:39:31Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maine.
23. Baker Lake, ME. Yale Public content 1955. 2011-12-12T21:27:58Z. 2022-03-29T20:39:31Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maine.
24. Bangor, Maine, 1956 Yale Public content 1973. 2012-02-22T20:49:40Z. 2015-10-21T15:30:43Z. United States. Army Map Service. Interior--Geological Survey. English. Public. Maine.
25. Bangor, ME. Yale Public content 1946. 2011-12-12T21:27:58Z. 2022-03-29T20:39:31Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maine.
26. Bangor, ME. Yale Public content 1957. 2011-12-12T21:27:58Z. 2022-03-29T20:39:31Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maine.
27. Bar Harbor Yale Public content 1960. 2011-12-12T21:27:58Z. 2022-03-29T20:39:31Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maine.
28. Bar Harbor Yale Public content 1904. 2011-12-12T21:27:59Z. 2022-03-29T20:39:31Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maine.
29. Bar Harbor, ME. Yale Public content 1942. 2011-12-12T21:27:59Z. 2022-03-29T20:39:31Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maine.
30. Bath Yale Public content 1960. 2011-12-12T21:27:59Z. 2022-03-29T20:39:31Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maine.