472 PROCEEDINGS OF COLUMBUS MEETING. 



Photographed and 'Presented by Professor P. II. Mell, Auburn, Ala. 

 Views of the Tallulah falls region of Rabun CO., Ga. Size, ±i x 1\ inches. 



310. Lodore fall. 



311. Rapids in Grand chasm. 



312. Rapids at head of Hurricane fall. 



313. ( 'airis head. 



:;14. Hickorynut mountain. 



315. Glenella spring. 



316. Group of Indians. 



317. Sweet Sixteen falls. 



318. Sinking mountain. 



Photographed and Presented by Professor II. L. Fairchild, Rochester, .V. )". 

 Views of the vicinity of Rochester, X. Y. Size. 6^ x 8^ inches. 



319. Pentamerus, or lower Clinton limestone, with tin- Clinton iron ore; ravine of 



the Genesee. 



320. Another view of subject of 319. 



321. Niagara formation ; lower falls of the Genesee ami the Seneca park bridge ; 



near view. 



322. The same; distant view. 



323. Section of a glacial drift hill (kame) ; Cobb's hill. Monroe ave. 

 3"24. Another section of the kame: same subject as 323. 



325. Another section of the kame: same subject as :V2'.\. 



Photographed and Presented by (lie Geological Survey of Texas; E. T. Dumble, Stab 



< ;, ologist, A ustin, Texas. 



Size, 6 x 8 inches. 



326. Kountz series: Contact of volcanic ash and chalk. 



327. " " Flints on hill. 



328. Pilot Knob series: View under bluff of great anticline ; decomposition of tuff 



and stalagmites. 



329. Pilot Knob series: Bored limestone above tufa. 



330. Mount Bonnell series : Under the cliff. 



331. " " " Colorado river from western side of mount Bonnell. 

 :W2. Blue Bluff series: Characteristic Ponderosa marl section. 



333. " " - " - •' (continuation of 332). 



334. McDonald Quarry series: Flagstone beds. 



335. Bee Spring series : Fault in limestone. 



336. Barton (reek series: Fault in lime-tone. 



337. Travis Peak series: Trinity beds. 



338. ' - " Rain erosion. 



339. " " " Characteristic topography. 



340. " " ■" Trinity and Fredericksburg topography. 



341. Sandy Gap: Cambrian cliffs. 



