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 66
... strata . Even the least altered deposits , although they have afforded a few scattered remains of archaic forms at ... strata which contain them . The sequence of life- forms once made out gives us , for the whole earth , the means for ...
... strata . Even the least altered deposits , although they have afforded a few scattered remains of archaic forms at ... strata which contain them . The sequence of life- forms once made out gives us , for the whole earth , the means for ...
Seite 70
... strata . The Blue Ridge and Great Valley are made up largely of Cambrian and Ordovician beds , in places so developed or eroded as to expose the associated igneous rocks ; the Appalachian Mountains proper are made up of sharply folded ...
... strata . The Blue Ridge and Great Valley are made up largely of Cambrian and Ordovician beds , in places so developed or eroded as to expose the associated igneous rocks ; the Appalachian Mountains proper are made up of sharply folded ...
Seite 78
... strata , those of Cre- taceous and Eocene age , which are best developed in parallel belts along the northwestern boundary of the Coastal Plain , are sandy loams which yield good returns of fruit and garden truck . In this belt the very ...
... strata , those of Cre- taceous and Eocene age , which are best developed in parallel belts along the northwestern boundary of the Coastal Plain , are sandy loams which yield good returns of fruit and garden truck . In this belt the very ...
Seite 98
... strata come beds of shales which are sometimes calcareous , so that the lower slopes , hills , and subsequent valleys contain soils which , while somewhat stony , give fair yields in wheat , corn , etc. The Great Valley , with its rich ...
... strata come beds of shales which are sometimes calcareous , so that the lower slopes , hills , and subsequent valleys contain soils which , while somewhat stony , give fair yields in wheat , corn , etc. The Great Valley , with its rich ...
Seite 103
... strata . The series of still unconsolidated beds , representing much of the remainder of post - Paleozoic time and comprising all of Eastern and Southern Maryland , and known 8 MARYLAND GEOLOGICAL SURVEY 103 MINERAL RESOURCES.
... strata . The series of still unconsolidated beds , representing much of the remainder of post - Paleozoic time and comprising all of Eastern and Southern Maryland , and known 8 MARYLAND GEOLOGICAL SURVEY 103 MINERAL RESOURCES.
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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