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THE GROUNDWATER RESOURCES By Gerald Meyer
Mean Monthly Precipitation at Emmitsburg and Westminster
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albite Antietam quartzite aquifer test average yield Brown Carroll and Frederick Carroll County Catoctin metabasalt Catoctin Mountain clay coefficient Date Gallons day per square Depth of pump diabase Diameter Discharge in cfs Discharge in million drawdown Drilled Emmitsburg feet below land feet deep Frederick Counties Frederick limestone Frederick Valley gallons per day Gettysburg shale gneiss gpm per foot granodiorite graphic position ground water ground-water Grove limestone H. E. Wantz Harpers phyllite Hillside Hilltop hydrologic Ijamsville phyllite Keyser land surface Libertytown Marburg schist million gallons Monocacy River name Driller Date Owner or name Patapsco River permeable pleted Alti Potomac River pump jet Pumping equip pumping test hours quartz quartzite recharge rock Runoff in inches specific capacity Spring square mile Stose Sykesville temperature test hole Topo Triassic tude feet Upland flat Wakefield marble Water level feet water table Water-bearing formation Weverton Wissahickon formation yield per foot