Water Quality Records in Maryland and Delaware.Geological Survey (U.S.). Water Resources Division.1964ZIP
Water quality records in North Carolina, 1964.North Carolina, United States, Geological Survey (U.S.)1964ZIP
Water Quality Records for the Hubbard Creek Watershed, Texas.Helen J Davidson, Geological Survey (U.S.) & 2 more1967ZIP
Water quality records in Washington / United States Department of the Interior, Geological Survey.Geological Survey (U.S.), Washington (State). Department of Conservation & 2 more1964ZIP
Water quality records in Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island and Vermont.Geological Survey (U.S.). Water Resources Division.1964ZIP
Water Quality Records in Pennsylvania / Prepared in Cooperation with the State of Pennsylvania and Other Agencies.Geological Survey (U.S.). Water Resources Division, Pennsylvania1964ZIP
Index of Surface Water Quality Records to September 30, 1976, Northwest Alaska and Arctic Slope, AlaskaPatsy J. Still1976ZIP