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 14
... Weverton Sandstone .. 194 194 The Shenandoah Limestone . The Newark Formation .. 194 194 Igneous Rocks 195 The Basic Volcanics . 195 The Acid Volcanics .. 195 The Diabase 195 PAGE THE APPALACHIAN REGION . 196 Sedimentary Rocks 198 The ...
... Weverton Sandstone .. 194 194 The Shenandoah Limestone . The Newark Formation .. 194 194 Igneous Rocks 195 The Basic Volcanics . 195 The Acid Volcanics .. 195 The Diabase 195 PAGE THE APPALACHIAN REGION . 196 Sedimentary Rocks 198 The ...
Seite 15
... Weverton Formation . 199 The Harpers Formation .... 199 The Ordovician Period The Antietam Formation ... Middle and Upper Cambrian Limestones .. The Shenandoah Limestone ( Lower Part ) The Tomstown Limestone .... The Waynesboro Shale ...
... Weverton Formation . 199 The Harpers Formation .... 199 The Ordovician Period The Antietam Formation ... Middle and Upper Cambrian Limestones .. The Shenandoah Limestone ( Lower Part ) The Tomstown Limestone .... The Waynesboro Shale ...
Seite 69
... Weverton Loudon Baltimore gneiss ( in part ) . IGNEOUS ROCKS FORMATION AGE Mesozoic . Triassic Paleozoic - Archean .Diabase . Pegmatite . Peridotite , pyroxenite and serpentine . Basic volcanics - Meta - andesite , meta - basalt . Acid ...
... Weverton Loudon Baltimore gneiss ( in part ) . IGNEOUS ROCKS FORMATION AGE Mesozoic . Triassic Paleozoic - Archean .Diabase . Pegmatite . Peridotite , pyroxenite and serpentine . Basic volcanics - Meta - andesite , meta - basalt . Acid ...
Seite 84
... Weverton , the Harrisburg , and the Somerville pene- plains , all of which , like the district to which they belong , have been traced far beyond the confines of the state . STREAM VALLEYS The present streams are now found in valleys of ...
... Weverton , the Harrisburg , and the Somerville pene- plains , all of which , like the district to which they belong , have been traced far beyond the confines of the state . STREAM VALLEYS The present streams are now found in valleys of ...
Seite 91
... Weverton . Its crests form the boundary line between Frederick and Washington counties . The Blue Ridge in Virginia is not the direct continuation of the mountains so named in Maryland , but of a smaller range , the Elk Ridge , which ...
... Weverton . Its crests form the boundary line between Frederick and Washington counties . The Blue Ridge in Virginia is not the direct continuation of the mountains so named in Maryland , but of a smaller range , the Elk Ridge , which ...
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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