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Maps, Atlases
United States--east coast, Maine, Portland Harbor and vicinity
- Author / Creator
- Available as
- Physical
Details
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- Creator
- National Ocean Service
- Format
- Maps, Atlases
- Language
- English
- Publication
-
- Thirtieth edition, Apr. 28/90
- Washington, D.C. : The Service, 1990
- Physical Details
-
- 1 map : color ; 113 x 82 cm
- OCLC
- ocm22233899
- Cartographic Data
-
Scale 1:20,000 at lat. 43⁰39ʹ, Mercator proj(W 70⁰18ʹ--W 70⁰07ʹ/N 43⁰46ʹ--N 43⁰34ʹ).
- Depths shown by isolines and soundings.
- Relief shown by contours and spot heights.
- "Soundings in feet."
- Includes tidal information.