REGISTER OF PHOTOGRAPHS RECEIVED. 453 



970. Ari-h in Salina and Clinton bods at lli«rli Falls, Twister oounty, New York ; 

 looking north, rublished as a plate in rejiort of state <j:eologist of New York 

 for 1893. 



977. Hijxh Falls, Ulster eounty, New York. Over eenient beds of the Salina for- 



mation. Lookinof north. Published as a plate in report of state geologist 

 of New York for 1893. 



978. Clinton and Salina formations in west bank of Kondout ereek at High Falls, 



Ulster eounty, New York. 



979. Looking southward aero.^s lake ]\Iohonk, Ulster eounty, New York. This 



lake is surrounded by elitfs of Shawangunk grit. Published as a i)late in 

 report of stiite geologist of New York for 1893, and also in National (loo- 

 graphie Magazine, volume vi, j)late 2. 



980. Eastern faee of Shawangunk mountain, two miles south of lake IMohonk, 



Ulster eounty, New York. Shawangunk grit lying on Hudson shales. Pub- 

 lished as a plate in report of state geologist of New York for 1893, and also 

 in National (Geographic ^lagazine, volume vi, i)late 3. 



981. Clilfs of Shawangunk grit on west shore of lake Mohonk, Ulster eounty, New 



York. Published as a i)late in report of state geologist of New York for 

 1893. 



982. Awosting falls, on the Peterkill, near lake Minnewaska, Ulster county, New 



York. Over Shawangunk grit. Published as a plate in rei)ort of state 

 geologist of New York for 1893. 



983. Honk falls, over flaggy beds of Devonian age, near Napanoch, Ulster county. 



New York ; looking north. Published as a plate in report of state geologist 

 of New York for 1893. 



984. ^[arginal eonglomemte of Newark formation in railroad cut one mile south- 



west of Culpepper, Virginia ; looking east. 



985. Lafayette gravels on Chesapeake sands four miles west of Poit Tobacco, Charles 



county, Maryland ; looking north. 

 98G. Earlier Columbian gravels and loam in street cut in western \rdri of I>a]tiinore, 

 Maryland. 



987. Clays and sands of Potomac formation overlain by earlier Columbian gravels 



an<l sands, penetrated by many sheets of ferruginated materials. In road 

 cut one mile southeast of Anacostia, District of Columbia. 



988. Gravel bed and loams of earlier Columbian, on weathered crystalline rocks, 



in north side of cut of Rock Creek electric railway just east of Rock Creek 

 briilge, Washington, D. C. 



989. Earlier Columbian gravel bed and loams on crystalline rocks in cut of electric 



railway just ea.st of Rock Creek bridge, Washington, 1). C'. ; exhibiting a 

 fault. Looking north. 



990. Lafayette gravels and loams lying on Chesapeake sands near northwest en- 



tnince of Soldiers Home, Washington, 1). ('.; looking north. 



991. F^irlier Columbia gravels three miles southeast of Washington, D. C. 



t)92. Chesapeake sands, Severn clays and Potomac sands in road cut half a mile 

 southwest of Good Hoik;, District of Columbia. The blade of the haiiiiuer 

 is at the Chesapeake-Seveni contact, the |)Osition of which is also indicated 

 by the arrows to the right. The Severn- Potomac contact is three feet below 

 and is clearly exhibited. The Pomunkey formation is absent. 



9*^3. Shell beds ill Che.'<ai>eake formation on west side of Patuxeiit river, at .lones' 

 wharf, Saint Marys county, Maryland. 



