Aeromagnetic map of Connecticut, Massachusetts, New Hampshire, Rhode Island, Vermont, and part of New York
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Geophysical Investigations Map↗
Geology topics
Francis P. Gilbert
Publications and source records attributed to Francis P. Gilbert.
Aeromagnetic map of the Cupsuptic quadrangle, Oxford and Franklin Counties, Maine
No abstract available.
Maine↗
Aeromagnetic maps of the Attean quadrangle and part of the Sandy Bay quadrangle, Somerset County, Maine
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Open-File Report↗