86 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 



588. Walcott, C. D. 



Geologic map of portions of eastern New York, western 

 Vermont, western Massachusetts, and northwestern Con- 

 necticut. 



Am. Jour. Sci., (3) xxxv, pi. iii, 1888. 



Formations mapped are: pre-Cambrian, Cambrian (Georgia, Pots- 

 dam); Calciferous, Chazy, Trenton; Hudson; Quaternary. Scale i inch 

 mo miles. 



589. Westgate, L, G. 



Map of a granite-gneiss area. 

 Jour. Geol., vii, 639, 1899. 



Map of the Maromas granite-gneiss area on the Connecticut river, 

 below Middletown. Shows inclusions, quarries, dip and strike. Scale 

 I inchrri mile. 



590. Whittle, C. L., and Davis, W. M. 



Map of the Triassic area in Connecticut. 

 (See Davis and Whittle, 530.) 



591. Whittle, C. L., and Davis, W. M. 



Maps of Triassic trap ridges. 

 (See Davis and Whittle, 531.) 



