BRYAN EATON/Staff Photo. US Coast Guard auxillary member Rich Rubino shows a map of the mouth of the Merrimack River in Pam Jamison's art class at the Bresnahan School on Wednesday morning. Third grade students are studying subject matter in art with "Keep the Lights Burning" with 250 years of the U.S. Coast Guard lighthouse history showing how science and art go together in designing lighthouses and maps.

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