N. H. DARTON TWO OVERTHRUSTS IX NEW YORK. 



|:;«.i 



below, as shown by the arrows in IT. The fault truncated a small portion of a 

 preexistent arch of the lower limestones at J and carried them to II. The amount 



Figure 'A.— Over thrust on Sprayt Creek. Section on north Bank, looking North. 

 i and II arc hypothetical sections to illustrate two stages in the development of the overthrust. 



of displacement was about 100 feet. The principal force in the overthrust was 

 from the east, and almost horizontal in direction, unless the present law angles of 

 fault and axial planes are due to subsequent backward tilting. 



The last paper was read by title : 



A GEOLOGICAL RECONNOISSANCE IN THE CENTRAL TAUT OF THE STATE OF 



WASHINGTON 



BY ISRAEL C RUSSELL 



The President announced the completion of the scientific program. 

 The following resolutions were offered by Mr Frank I). Adams and 

 unanimously adopted : 



"Resolved, That the thanks of the Geological Society of America be tendered— 

 "To His Excellency the Governor-General of the Dominion of Canada fur the 



cordial welcome which he extended to the Society, and to Her Excellency Lady 



Stanley for her very kind hospitality ; 



