Overlay map of the glacial geology of parts of the Tyngsboro and Westford, Massachusetts, quadrangles
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Open-File Report↗
Geology topics
M.E. Willard
Publications and source records attributed to M.E. Willard.
Geologic reconnaissance along proposed relocation of Route 2 in Maynard, Westford, and Ayer quadrangles, Massachusetts
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Open-File Report↗
The Winkelman alunite deposit, Marysvale, Utah
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Open-File Report↗