Report, Band 10Johns Hopkins Press, 1918 CONTENTS.--Vol. I (1897)--Vol. II (1898)--Vol. III (1899)--Vol. IV (1902)--Vol. V (1905)--Vol. VI (1906)--Vol. VII (1908)--Vol. VIII (1909)--Vol. IX (1911)--Vol. X (1918)--Vol. XI (1922)--Vol. XII (1928)--Vol. XIII (1937)--Vol. 14 (1941) |
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Seite 25
... 94. View of Chemical Feed Controllers .. 95. View of Upper Service Pumping Station . 96. View of Coagulation Basins .. 496 497 498 499 PREFACE The present volume consists essentially of two general papers ILLUSTRATIONS 25.
... 94. View of Chemical Feed Controllers .. 95. View of Upper Service Pumping Station . 96. View of Coagulation Basins .. 496 497 498 499 PREFACE The present volume consists essentially of two general papers ILLUSTRATIONS 25.
Seite 239
... pumping wells , but where the outcropping edges of the water - bearing layers are at higher levels , flowing wells may be obtained at lower levels along the dip of the beds . WATER FROM THE BASEMENT ROCKS Water may be secured from the ...
... pumping wells , but where the outcropping edges of the water - bearing layers are at higher levels , flowing wells may be obtained at lower levels along the dip of the beds . WATER FROM THE BASEMENT ROCKS Water may be secured from the ...
Seite 242
... pumping , and at Naval Academy Junction in Anne Arundel County a well 315 feet deep yields 20 gallons per minute . Quality . The wells from the Patuxent horizons are fairly good for potable uses , although containing a fairly large ...
... pumping , and at Naval Academy Junction in Anne Arundel County a well 315 feet deep yields 20 gallons per minute . Quality . The wells from the Patuxent horizons are fairly good for potable uses , although containing a fairly large ...
Seite 243
... pumping by suction pumps . Quantity . - Large and small . Among small wells may be mentioned . one at Millersville , Anne Arundel County , which is 130 feet in depth and yields 8 to 10 gallons per minute , and another at Odenton , Anne ...
... pumping by suction pumps . Quantity . - Large and small . Among small wells may be mentioned . one at Millersville , Anne Arundel County , which is 130 feet in depth and yields 8 to 10 gallons per minute , and another at Odenton , Anne ...
Seite 245
... pumping 10 gallons per minute ; a well at Eastport , Anne Arundel County , 70 feet in depth which yields 8 gallons per minute , and others at Churchton , Deal , Shadyside , and Galesville , Anne Arundel County , which at depths of 90 to ...
... pumping 10 gallons per minute ; a well at Eastport , Anne Arundel County , 70 feet in depth which yields 8 gallons per minute , and others at Churchton , Deal , Shadyside , and Galesville , Anne Arundel County , which at depths of 90 to ...
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Häufige Begriffe und Wortgruppen
30 feet Allegany County Anne Arundel County Aquia Average elevation Baltimore beds beneath the surface Blue Ridge Calvert Capacity of reservoir carried to reservoir Cecil County Chesapeake Bay Choptank City Clark Hoshall Coastal Plain Creek Cretaceous crystalline rocks Cumberland Curtis Bay Daily consumption Delaware deposits Diameter district Downin drilled Eastern Shore Elevation above source elevation above town Eocene feet beneath feet deep feet in depth Fire hydrants flow formation Frederick gallons per minute Garrett County Geological glauconite gneiss gravel gray Hagerstown Hard head inches iron limestone lower Magothy Mary's Maryland Matawan miles Miocene Mountain Municipality Nanjemoy Patapsco Patuxent peneplain Percentage of population Piedmont Plateau Pleistocene population supplied Potomac River Prince George's County Public supply sand sandstone sandy clay shales shallow Soft southern Sparrows Point springs streams SURFACE WATERS surface yields UNDERGROUND WATERS Upper valleys Washington water horizons Waterworks western Wicomico Worcester County