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) |
Im Buch
Ergebnisse 1-5 von 67
Seite 239
... 50 to 500 feet . A number of wells at much greater depth occur , but the time and expense involved in sinking such ... gallons per minute , and another at Mt. Winans at a depth of 90 feet affords a yield of 35 gallons per minute , while ...
... 50 to 500 feet . A number of wells at much greater depth occur , but the time and expense involved in sinking such ... gallons per minute , and another at Mt. Winans at a depth of 90 feet affords a yield of 35 gallons per minute , while ...
Seite 242
... gallons per minute . At Wagners Point on the south side of the Patapsco ... 50 and 100 feet , while larger wells occur at greater depths . Depth . From ... gallons per minute have been obtained at a depth of 55 to 85 feet at Hawkins Point ...
... gallons per minute . At Wagners Point on the south side of the Patapsco ... 50 and 100 feet , while larger wells occur at greater depths . Depth . From ... gallons per minute have been obtained at a depth of 55 to 85 feet at Hawkins Point ...
Seite 243
... gallons per minute and by pumping yield 50 to 60 gallons per minute . At Chestertown the well supplying the municipality is 583 feet in depth and flowed when opened up 20 gallons per minute . A yield of 120 gallons per minute is now ...
... gallons per minute and by pumping yield 50 to 60 gallons per minute . At Chestertown the well supplying the municipality is 583 feet in depth and flowed when opened up 20 gallons per minute . A yield of 120 gallons per minute is now ...
Seite 247
... gallons per minute and could undoubtedly yield 30 to 40 gallons per minute ... 50 to 500 feet , the shallower wells near the outcrop yielding small ... gallons per minute , and another at Oxford , Talbot County , 130 feet deep which ...
... gallons per minute and could undoubtedly yield 30 to 40 gallons per minute ... 50 to 500 feet , the shallower wells near the outcrop yielding small ... gallons per minute , and another at Oxford , Talbot County , 130 feet deep which ...
Seite 252
... gallons per minute . The supply of water in all wells is exhausted in less than an hour's steady pumping . Quality ... 50 to 350 feet . The former are meteoric or rain waters that are easily subject to contamination , while the latter ...
... gallons per minute . The supply of water in all wells is exhausted in less than an hour's steady pumping . Quality ... 50 to 350 feet . The former are meteoric or rain waters that are easily subject to contamination , while the latter ...
Andere Ausgaben - Alle anzeigen
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