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Johnson, Karl E.
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MIT
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Washington County
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1. Ground-water map of the Rhode Island part of the Ashaway quadrangle and some adjacent areas of Connecticut showing water-bearing formations and related ground-water data /
Johnson, Karl E. Rhode Island Water Resources Coordinating Board,.
2. Ground-water map of the Watch Hill quadrangle, Rhode Island--Connecticut showing water-bearing formations and related ground-water data /
Johnson, Karl E. Rhode Island Water Resources Coordinating Board,.