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 99
Seite 188
... horizon scems to be well established by the areal distribution of the various masses , although it has been found impossible to carry the mapping of individual beds more than a few miles along the strike , and hence it has seemed ...
... horizon scems to be well established by the areal distribution of the various masses , although it has been found impossible to carry the mapping of individual beds more than a few miles along the strike , and hence it has seemed ...
Seite 216
... horizon they evidently belong . The formation has a thickness of about 20 feet in central Delaware , but gradually thins out toward the Maryland line where the Eocene deposits have transgressed the Rancocas and directly overlie the ...
... horizon they evidently belong . The formation has a thickness of about 20 feet in central Delaware , but gradually thins out toward the Maryland line where the Eocene deposits have transgressed the Rancocas and directly overlie the ...
Seite 240
... horizon ) . A well at Jessups , Anne Arundel County , 180 feet in depth , furnishes 20 gallons per minute ; one at Hyattsville , Prince George's County , 285 feet , yields 30 gallons per minute , and several wells at the Naval Proving ...
... horizon ) . A well at Jessups , Anne Arundel County , 180 feet in depth , furnishes 20 gallons per minute ; one at Hyattsville , Prince George's County , 285 feet , yields 30 gallons per minute , and several wells at the Naval Proving ...
Seite 242
... horizon ) . The wells at this horizon furnish for the most part small yields , and as they are generally located on low ground have a natural flow . Numerous wells in Hyattsville , Prince George's County , and vicinity , at depths of 80 ...
... horizon ) . The wells at this horizon furnish for the most part small yields , and as they are generally located on low ground have a natural flow . Numerous wells in Hyattsville , Prince George's County , and vicinity , at depths of 80 ...
Seite 247
... horizon of the Calvert formation is located above the top of the basal diatomaceous earth member and extends from about 35 or 40 feet to 75 feet above the base of the formation . Depth . From 50 to 500 feet , the shallower wells near ...
... horizon of the Calvert formation is located above the top of the basal diatomaceous earth member and extends from about 35 or 40 feet to 75 feet above the base of the formation . Depth . From 50 to 500 feet , the shallower wells near ...
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