39 resultsYou searched for: Date: 1950s✖Type: Map✖This SiteAll Sites TableGridIndex CollectionConditionCreatorDateDescriptionIdentifierLocationMediumObject IDPagesPlaceProperty NamePublisherRightsStreetSubjectTitleType Refine Your SearchRefine Your SearchSubjectOther (2)Places (23)none (16)TypeMap✖PlaceAcadia National Park (1)Bar Harbor (1)International (1)Maine (17)New England (1)Northeast Harbor (1)none (17)Date1950s✖Tagszoomable (2)AAugustus D. PhillipsHHydrographic Office, Washington D. C.JJerome H. Knowles Jr.MMaurice BurrMines and Technical Surveys, Ottawa, CanadaNnone (17)UU.S. Geological Survey (16)WW. B. Brewer, R. E. Hansen