Title
Preview
![image preview](https://digitalmaine.com/mgs_geologic_field_photos/5630/preview.jpg)
Contributing Institution
Maine Geological Survey
Document Type
Image
Identifier
5979
Description
PtlD Hd
Broad Creation Date
July 1992
Supplemental Rights
Credit must be given to the photographer and the Maine Geological Survey when this photo is displayed, reproduced, distributed and/or used in derivative works.
Keywords
charts; graphs; data; Portland Head; lighthouse