INDEX. 



24y 



character of materials of, 94. 



paleontologic character of. 9.j. 



strike, dip a.nd thickness of, 96. 



stratigrapihlc relations of, 96. 

 Marls, discussed. 141. 

 Matawan formation. 97. 



areal distribution of. 97. 



character of materials of, 97. 



paleontologic character of, 98. 



strike, dip and thickness of, 98. 



stratigraphic relations of, 98. 

 Monmouth formation, 99. 



areal distriI)ution of. 99. 



character of materials of, 99. 



paleontologic character of, 100. 



strike, dip and thickness of, 100. 



stratigraphic relations of. 10(). 

 Marsh, O. C, 52, 5.5, 62. 

 Mataponi creek, section of, 107. 

 Mathews, Edward B.. 7. 

 McGee, W. J.. 50. 51. 52, 53, 55, 56, 57, 64. 

 Meadow Land, 177. 

 Meridian line. 215. 

 Merrill, Geo. P.. 49, 61. 

 Meteorological stations in county, 188. 

 Miller, B. L., 7, 17. 21, 24, 68, 69. 

 Mineral resources, discussed. 137. 

 Miocene, discussed. 106. 



sedimentary record of, 132. 



water-horizon in, 150. 

 Morton, S. G., 36, 37, 39. 

 Muirkirk, section at, 89. 



N 



Nanjemoy formiation. 103. 



areal distribution of, 103. 



character of materials of. 104. 



paleontologic character of, 104. 



strike, dip and thickness of, l<i5. 



stratigraphic relations of, 105. 



sub-divisions of. 105. 

 Natural deposits, 137. 

 Newell, F. H.. 18, 60, 207. 

 Norfolk Loam, 169. 



mechanical analyses of, 171. 

 Norfolk Sand. 158. 



mechanical analyses of. 158. 

 Nottingham, weather at, 204. 



Oak, 233 



Paleontologic character of Aquia forma 

 tion, 102. 

 of Arundel formation. 89. 



of Calvert formation, 107. 



of C'hoptank formation, 110. 



of I-afayette formation, 115. 



of Magothy formation, 95. 



of Matawan formation, 98. 



of Monmouth formation, 100. 



of Nanjemoy formation, 104. 



of Patapsco formation, 90. 



of Patuxent formation. SC. 



of Raritan formation, 92. 



of Sunderland formation, 120. 



of Talbot formation, 125. 



of Wicomico formation, 123. 

 Pamunkey Group, discussed, 100. 

 I'atapsco formation, 90. 



areal distribution of, 90. 



character of materials of, 90. 



paleontologic character of, 90. 



strike, dip and thickness of. 91. 



stratigraphic relations of, 91. 

 I'atapsco stage, 105. 

 I'atuxent formation, 85. 



areal distribution of, 80. 



character of materials of, 86. 



paleontologic character of, 86. 



strike, dip and thickness of, 87. 



stratigraphic relations of, 87. 

 Patuxent river, 78, 207. 

 Paspotansa stage, 103. 

 Pearson, artesian well at, 124. 

 Petroleum and natural gas, 144. 

 Physiography, discussed. 69. 

 Physiogi^aphic expression of Lafayette 

 formation, 114. 



of Sunderland formation, 119. 



of Talbot formation, 125. 



of Wicomico formation. 122. 

 Piles, 238. 



Piscataway, section near, 114. 

 Piscataway stage, 103. 

 Pleistocene, discussed, 116. 



sedimentary record of, 133. 

 Pliocene, 112. 

 Plum Point marls, 109. 

 Poles, 238. 



Potomac Group, discussed. 85. 

 I'otomac river. 77. 

 Precipitation, discussed, 191. 

 Preface, 17. 

 I'ulpwood, 237. 



Prince George's County, agricultural con- 

 ditions in, 17S. 



artesian wells in, 147. 



building-stone of, 140. 



clays of, 137. 



climate of, 185. 



crystalline rocks of. 84. 



diatomaceous earth of, 142. 



