Water resources of the Patuxent River basin, Maryland
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Hydrologic Atlas↗
Geology topics
Deric O’Bryan
Publications and source records attributed to Deric O’Bryan.
Effect of drought on water resources in the Northeast
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Hydrologic Atlas↗
Water and land resources of the Patuxent River drainage basin, Maryland
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Open-File Report↗
Gunpowder Falls, Maryland : uses of a water resource today and tomorrow
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Water Supply Paper↗