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THE GEOLOGY OF PENNSYLVANIA?S GROUNDWATER
THE GEOLOGY OF PENNSYLVANIAS GROUNDWATER Author:G. M. Fleeger Complete info on this subject along with B / W drawings and photos and maps . Explains what groundwater is , where it comes from , how much do we have , how its stored etc. Includes a map of the average evapotranspiration in Pa in inches , map showing the percentage of homes on-lot septic systems , map of number of fertilized acres per square mi... more »les along with line graphs and much more .« less