LOBECK, NEW YORK CITY. I PHYSIOGRAPHIC CENTER 



49 



270. Mass. and R. I. Geol. Map. 1916. Scale 1 : 250,000. 



271. Conn. Geol. Map. 1907. Scale 1:250,000 (with Bull. Conn. Geol. Surv., 



No. 7). 



272. Penn. Geol. Map. 1893. Scale 1 in. = mi. (with final report of Second 



Penn. Geol. Surv.). 

 21P,. Md. Geol. Map. 1007. Scale 1 : 500.000. 

 274. Virginia Geol. Map. 1916. Scale 1 : 500,000. 



Xlir. — Selected List 



Fifty topographic maps covering practically all of the regions outlined for 

 field work may he ohtained from the Director of the U. S. Geological Survey, 

 Washington, and will cost, when ordered in lots of 50 or more, cents each. 



New York: 



Niagara Falls 



Luzerne 



Bolton 



Glens Falls 



Catskill 



Kaaterskill 



Kosendale 



Poughkeepsie ' 



Harlem 



Paterson 



Staten Island 



Brooklyn 



Oyster Bay 



Clyde 



Plattsburg 



New Jersey: 

 Plainfield 

 Hackettstown 



Sandy Hook 

 Delaware Water Gap 

 Atlantic City 

 Long Bench 

 Barnegat 



Pennsylvania: 

 Harrisburg 

 New Bloomfield 

 Hollidaysburg 



Maryland: 



Harpers Ferry 

 Washington 



Maryland (continued i 

 Papaw 



Hancock 

 Frostburg 



I iryiniu : 

 Norfolk 

 Luray 



Maine: 



Portland 

 Casco Bay 



Massachusetts: 

 Provincetown 

 Wellfleet 

 Boston 

 Boston Bay 

 Housatonic 

 Taconic 



Marthas Vineyard 

 Nantucket 



Connecticut : 



Meriden 

 Middletown 



A '< w Hampshire: 

 Mt. Washington 

 Gorham 



Crawford Notch 

 Xorth Conway 

 Monadnock 

 Peterboro 



The following folios are slid in stock at prii 

 cents: Raritan, No. 191, 25 cents: Papaw -I Ian 

 Glen-Catatonk, No. 169, 5 cents; Choptank, No 



•s named : Niagara, No. 190, 50 

 ock, No. 17«>. 5 cents: Watkins 



182, 5 cents. 



