16 



PLATE 



XIV. 



XV. 



XVI. 



XVII. 



XVIII. 

 XIX. 



XX. 



XXI. 



XXII. 



XXIII. 



XXIV. 



XXV. 



XXVI. 



XXVII. 



XXVIII. 



XXIX. 



ILLUSTRATIONS 



FACDsG PAGE 



Geological sections in Cecil County 160 



j?ig. l. — Cliff showing Matawan Monmouth contact, Sassa- 

 fras River 160 



Fig. 2. — Bluff showing Eocene, at Georgetown 160 



Geological sections in Cecil County 168 



Fig. 1. — View showing Sunderland terraces with Lafayette 

 in the foreground 168 



Fig. 2. — Top of the Wicomico formation at Turkey Point. . 168 

 Geological sections in Cecil County 176 



Fig. 1. — Fossil tree stump in Talbot formation, Bohemia 

 River ( 176 



Fig. 2. — Section in Talbot formation, near Perryville 176 



Mineral Resources of Cecil County 196 



Fig. 1. — View showing location of McClenahan granite quarry, 

 Port Deposit 196 



Fig. 2. — Kaolin-washing plant, Maryland Clay Company, 



Northeast 196 



Map of central Cecil County 204 



Mineral Resources of Cecil County 216 



Fig. 1. — Outcrop of kaolin in Sutton cut, near Perryville 216 



Fig. 2. — Flint mill and kiln, Conowingo 216 



Agricultural views in Cecil County 228 



Fig. 1. — Weathering of granite into Cecil loam, near French- 

 town 228 



Fig. 2. — Crystalline rocks overlain by gravel 228 



Agricultural views in Cecil County 232 



Fig. 1. — Characteristic topography in Susquehanna gravel 

 area 232 



Fig. 2. — Typical farm in central Cecil County 232 



Agricultural views in Cecil County 240 



Fig. 1.— Farm-lands, Elk Neck 240 



Fig. 2. — Farm-lands, Sassafras Neck 240 



Hydrography of Cecil County 264 



Fig. 1. — Bohemia river, with thin fringe of shore-timber 264 



Fig. 2. — Little Elk Creek with river birch and sycamore 264 



Charcoal-burners' camp 295 



Map of Cecil County showing wooded areas 296 



Barrens timber 298 



Fig. 1.— A thin stand, due to fire 298 



Fig. 2. — An area recently cut 298 



Shore timber 300 



Fig. 1. — A good stand, Sassafras Neck 300 



Fig. 2. — Interior view of above 300 



Shore timber 304 



Fig. 1. — A defective old Chestnut in young growth 304 



Fig. 2. — Tulip-tree coppice. A dense stand 304 



Roadside trees 310 



Fig. 1. — Black Cherry, Red Cedar and Sassafras 310 



Fig. 2. — Scrub Pine on land once cultivated 310 



