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 15
... Shales .. 198 The Loudon Formation ... 198 The Weverton Formation .. 199 The Harpers Formation ... 199 The Antietam Formation . Middle and Upper Cambrian Limestones . The Shenandoah Limestone ( Lower Part ) The Tomstown Limestone ...
... Shales .. 198 The Loudon Formation ... 198 The Weverton Formation .. 199 The Harpers Formation ... 199 The Antietam Formation . Middle and Upper Cambrian Limestones . The Shenandoah Limestone ( Lower Part ) The Tomstown Limestone ...
Seite 15
... Shales . 198 The Loudon Formation .. 198 The Weverton Formation . 199 The Harpers Formation .. 199 The Antietam Formation ... 200 Middle and Upper Cambrian Limestones . 200 The Shenandoah Limestone ( Lower Part ) The Tomstown Limestone ...
... Shales . 198 The Loudon Formation .. 198 The Weverton Formation . 199 The Harpers Formation .. 199 The Antietam Formation ... 200 Middle and Upper Cambrian Limestones . 200 The Shenandoah Limestone ( Lower Part ) The Tomstown Limestone ...
Seite 25
... shales in confining water in sand or sandstone ....... 238 85. Map showing Lower Cretaceous waters ... 86. Map showing Upper Cretaceous waters .. 87. Map showing Eocene waters ... 241 244 246 88. Map showing Lower Miocene waters . 248 ...
... shales in confining water in sand or sandstone ....... 238 85. Map showing Lower Cretaceous waters ... 86. Map showing Upper Cretaceous waters .. 87. Map showing Eocene waters ... 241 244 246 88. Map showing Lower Miocene waters . 248 ...
Seite 86
... shales indifferently . In general , both the main streams and their tributaries show drainage patterns similar to those of the Coastal Plain , and it is not impossible that the stream courses may have been in many instances superimposed ...
... shales indifferently . In general , both the main streams and their tributaries show drainage patterns similar to those of the Coastal Plain , and it is not impossible that the stream courses may have been in many instances superimposed ...
Seite 98
... 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 limestone soil and ...
... 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 limestone soil and ...
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Häufige Begriffe und Wortgruppen
50 gallons Allegany Allegany County Anne Arundel County Aquia Artesian Waters Average elevation Baltimore beds beneath the surface Blue Ridge Calvert Capacity of reservoir carried to reservoir Cecil County Chesapeake Bay City Clark Hoshall Coastal Plain Creek crystalline rocks Cumberland Daily consumption Delaware deposits Diameter district Downin drainage 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 glauconite gneiss gravel greenish gray Hard Harford Harford County igneous rocks inches iron limestone Magothy Maryland Matawan miles Miocene Mountain Municipality Nanjemoy Patapsco Patuxent peneplain Percentage of population Piedmont Plateau Pleistocene population supplied portion Potomac River Prince George's County Public supply pumping quartzite sand sandstone sandy clay shales shallow Soft southern Sparrows Point springs streams SURFACE WATERS surface yields UNDERGROUND WATERS valleys water horizons western Wicomico
Beliebte Passagen
Seite 55 - ... thereon shall be fully discharged. The credit of the State shall not in any manner be given, or loaned to, or in aid of any individual, association or corporation; nor shall the General Assembly have the power in any mode to involve the State in the construction of Works of Internal Improvement, nor in granting any aid thereto, which shall involve the faith or credit of the State...
Seite 144 - July, the twenty-fifth day of December, commonly called Christmas Day, and any day appointed or recommended by the governor of this State or the president of the United States as a day of fasting and prayer or thanksgiving...
Seite 157 - The surface and underground water resources of Maryland, including Delaware and the District of Columbia," by WB Clark, EB Mathews, and E. W.
Seite 26 - Clarke's administrative ability and professional attainments are largely responsible for the extensive development of Maryland's mineral resources and his loss will be severely felt in all quarters. He was always keenly interested in the educational value of the work of the various state bureaus which he directed and had just finished writing a geography of Maryland for school teachers. At the time of his death he was engaged in writing a report on the underground waters of the state and another...
Seite 25 - Clark organized and directed the preparation of the official State exhibits of Maryland mineral resources at the Buffalo. Charleston, St. Louis. Jamestown, and San Francisco Expositions in 1901, 1902, 1904, 1907, and 1915. These exhibits attracted much attention at the time and received a large number of conspicuous awards. These exhibits have been permanently installed as a State mineral exhibit at the statehouse in Annapolis.
Seite 56 - The most ancient rocks which made up the earth's crust as well as those still in the process of deposition are here found, while between these wide limits there is hardly an important geological epoch which is not represented.
Seite 178 - ... deposits in Harford County. This formation is limited on either side by igneous rocks. A northern outlier a mile or less in width extending for several miles southwestward from the Susquehanna River probably represents a detached portion of this larger mass lying a little to the south. The second area of Baltimore gneiss is found in an anticlinal dome, 15 miles long and 5 miles broad, lying on either side of the Northern Central Railroad 10 miles south of the Mason and Dixon line and 20 miles...
Seite 153 - Alleghanies to the sea, and is divided into three more or less sharply defined regions known as the Coastal Plain, the Piedmont Plateau, and the Appalachian Region. These three districts follow the Atlantic border of the United States in three belts of varying width from New England southward to the Gulf of Mexico.
Seite 204 - consists of a series of large and small lenses of iron-ore bearing clays which occupy ancient depressions in the surface of the Patuxent formation. . . . The clays are highly carbonaceous, lignitized trunks of trees being often encountered in an upright position with their larger roots still intact. Scattered through the tough, dark clays are vast quantities of nodules of iron carbonate, at times reaching many tons in weight, and known to the miners under the name of 'white ore.
Seite 23 - Bullock Clark was born at Brattleboro, Vermont, December 15, 1860. His parents were Barna A. and Helen (Bullock) Clark. Among his early ancestors were Thomas Clark, who came to Plymouth, Mass., in the ship Ann in 1623 and who was several times elected deputy to the general court of Plymouth Colony ; Richard Bullock, who came to Salem, Mass., in 1643; John...