VIRGINIA AND WEST VIRGINIA 435 



Virginia and West Virginia 



Photographed by J. Erbach 



11 by 14 inches. Negatives in United States Geological Survey 



1165. Outcrop of coal at Bingly slope, in the north end of the Black Heath basin. 



View along a recent slope; looking north 12 degrees west. Richmond 

 coal field, Virginia. 



1166. Irw 7 in Bass place, western border, south of Mosley junction. Upper part of 



ravine in gneiss just west of border. Show r s terraces and graded streams. 

 Recent stream work. 



1167. A dry swamp hole northwest of Skinquarter, Virginia, showing mud-cracks 



and grass border, after a protracted drought. 



1168. Fragment of prismatic coke from Saunders slope, at Gayton, between 600 



and 700 foot level, at contact with decomposed vertical trap dike. This 

 is the popping coke. 



1169. An outcrop of the columnar coke, north of Saunders slope, in valley of 



small stream. Slaty band at top. 



1170. View of south bank of James river from Mr Parson's house, at Vinita, Vir- 



ginia, flood-plain in foreground; looking south. 



1171. James river and Cornwallis hill ; looking west-northwest from Goat hill. 



Dismal Swamp Series. PJiotograpJied by I. C. Russell 



6J by 8^ inches 



Numbers 1172, 1173, 1174, 1175, 1180, 1182, 1184, and 1187 published by N. S. 

 Shaler in the Tenth Annual Report of the United States Geological Survey. 



1172. View showing the general aspect of the swamp in the district where the 



forest is relatively dense. In the foreground a single elevated root arch 

 of the black gum is plainly shown ; also a great number of cypress knees 

 (No. 272). 



1173. Southern margin of Dismal swamp, 12 miles w r est of Elizabeth City, North 



Carolina, showing the general aspect of the swamp in the month of May. 

 The spur-like projections in the foreground are the knees belonging to the 

 - roots of the large cypress on the left hand. The gnarled excrescences at 

 its base exhibit one type of root arches. In the center of the picture is a 

 single root arch of the common type (No. 270). 



1174. View showing general aspect of the wide, swampy channels which connect 



the main Dismal swamp with the tributary morasses lying to the west 

 (No. 280). 



1175. View of the swamp about a mile and a half east of Drummond lake, show- 



ing the ordinary condition of the wetter parts of the swamp in the grow- 

 ing season (No. 263). 



1176. Southern margin of the swamp near Elizabeth City, North Carolina (No. 283). 



1177. View near the southern border of the main swamp near Elizabeth City, 



North Carolina (No. 284).' ' 



1178. View of Jericho ditch (No. 273). 



1179. Cypress trees in the eastern part of lake Drummond (No. 271). 



