Oak Hill Quarry, Oak Hill, Westford, Middlesex Co., Massachusetts, USAGranite quarry near the north end of Oak Hill, opened ca. 1830. There are dikes of pegmatite and aplite.
ReferencesDale, T. N. (1910). Supplementary Notes on the Commercial Granites of New England (in Contributions to Economic Geology, USGS Bulletin 470).
9 entries listed. 5 valid minerals.
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