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10 CONTENTS
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PAGE
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Early Geological Investigations in the Period between the Revolution and
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the Organization of the First State Geological Survey................
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52
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The Work of the First State Geological Survey and the Investigations
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carried on under Private Auspices during the same Period............
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57
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The First State Geological Survey, 1834-41............................
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57
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Investigations made under other Auspices............................
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64
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An Account of both Private and Official Investigations conducted after the
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Termination of the First State Geological Survey to the Outbreak of
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the Civil War....................................................
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66
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Investigations conducted under other than State Auspices..............
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66
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Investigations conducted by the State Agricultural Chemists, 1848-62..
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68
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Sketch of the History of the Maryland Academy of Sciences..............
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70
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The Establishment and Work of the Maryland Agricultural College and
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Agricultural Experiment Station..................................
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73
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The Maryland Agricultural College..................................
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73
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The Maryland Agricultural Experiment Station........................
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76
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Geological Investigations carried on by Private Interests after the Civil War
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79
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Geological Investigations carried on under the Auspices of the Johns Hop-
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kins University....................................................
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83
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An Account of the Work of the recently organized State Bureaus..........
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91
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Operations of the United States Geological Survey in Maryland............
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95
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Topographic work..................................................
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96
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Geologic work......................................................
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99
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Hydrographic work..................................................
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112
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Statistical work....................................................
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113
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Operations of the United States Coast and Geodetic Survey in Maryland....
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115
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Surveys of Baltimore and Vicinity....................................
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116
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Hydrographic Survey of the Branches of the Lower Patapsco..........
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118
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Triangulation of 1866..............................................
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118
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Surveys of 1876....................................................
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119
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Survey of 1886....................................................
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121
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Survey of Sparrow's Point, 1891....................................
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123
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Survey of other Portions of Maryland and Adjacent Territory..........
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123
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Triangulation...................................................
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123
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Astronomy........................................................
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124
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Hypsometry......................................................
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124
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Gravity.......................................................
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124
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Magnetics........................................................
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124
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Investigation of Oyster-beds........................................
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125
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Hydrography......................................................
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125
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PART III. OUTLINE OF PRESENT KNOWLEDGE OF THE PHYSICAL
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FEATURES OF MARYLAND, EMBRACING AN ACCOUNT OF THE
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PHYSIOGRAPHY, GEOLOGY, AND MINERAL RESOURCES. COMPILED
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BY WM. BULLOCK CLARK....................................
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139
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PHYSIOGRAPHY..........................................................
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143
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THE COASTAL PLAIN..................................................
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145
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The Eastern Division................................................
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146
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The Western Division.................................................
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147
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