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 165
... Gray's Hill 268 Chattolanee 410 Cecilton 85 Long Green Fork 300 Port Deposit 16 420 Chesapeake City 17 200 Elevation in feet Elevation 55 in feet 18 57 MARYLAND GEOLOGICAL SURVEY 165.
... Gray's Hill 268 Chattolanee 410 Cecilton 85 Long Green Fork 300 Port Deposit 16 420 Chesapeake City 17 200 Elevation in feet Elevation 55 in feet 18 57 MARYLAND GEOLOGICAL SURVEY 165.
Seite 195
... green with white masses of epidote and quartz which on exposure become dull gray or yellow . The honeycombed or amygdaloidal character of many of the masses increases the individuality of these rocks which usually form rough surfaced ...
... green with white masses of epidote and quartz which on exposure become dull gray or yellow . The honeycombed or amygdaloidal character of many of the masses increases the individuality of these rocks which usually form rough surfaced ...
Seite 199
... gray color when fresh , and weather to a light greenish- gray . Argillaceous materials predominate , with frequent small grains of quartz and feldspar , while other materials derived from the pre - Cambrian volcanics appear sparingly ...
... gray color when fresh , and weather to a light greenish- gray . Argillaceous materials predominate , with frequent small grains of quartz and feldspar , while other materials derived from the pre - Cambrian volcanics appear sparingly ...
Seite 207
... green to gray shales , alternating with thin , fine - grained micaceous sandstones . The shales weather into thin , flat plates which contrast with the hackly fragments of the Romney shales below , while it is also more resistant to ...
... green to gray shales , alternating with thin , fine - grained micaceous sandstones . The shales weather into thin , flat plates which contrast with the hackly fragments of the Romney shales below , while it is also more resistant to ...
Seite 270
... green to black ... 129-150 Hard dark brown sand ..... 150-200 Matawan formation . Gray and black sand , water bearing , pumped 15 gallons .. 200-230 Gray clay and sand ... 230-251 Soft gray sand rock ... 251-257 Hard black sandy clay ...
... green to black ... 129-150 Hard dark brown sand ..... 150-200 Matawan formation . Gray and black sand , water bearing , pumped 15 gallons .. 200-230 Gray clay and sand ... 230-251 Soft gray sand rock ... 251-257 Hard black sandy clay ...
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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...