8o CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



tiated by the elevation and tilting of the Cretaceous plain 

 of erosion. 



U. S. Geol. Surv., 21st Ann. Rept., pt. iii, pi. xvii, 1901. 



556. Hobbs, W. H. 



Maps and diagrams, Pomperaug valley. 



U. S. Geol. Surv., 21st Ann. Rept., pt. iii, 1901. 



Newark areas of southern New England, p. 31; Pomperaug valley and 

 vicinity, p. 33; trap riSges near South Britain, p. 35; trap ridges near 

 Woodbury, p. 36; Oliver Mitchell brook, p. 41; development of the 

 anterior basalt, p. 43 ; development of the main basalt, p. 45 ; Red 

 spring, p. 52; Spring house section, p. 86; western basin wall, p. 

 87; contact along fault, p. 88; Mitchell's spring, western boundary of 

 East hill, p. 91; William Curtis place, p. 92; fault bounding Horse and 

 Pine hills, p. 102; Castle Rock, p. iii; southern part of the Pomper- 

 aug basin, p. 118; strike and dip observations in crystalline rocks, p. 

 123; topography of ridges, Southbury, p. 150; deep inglenook, Square 

 Rock, p. 151; oblique inglenook. South Britain, p. 152; fault system of 

 the Pomperaug valley, pi. ix; relation of drainage to faults, pi. xv; 

 structure of the basin of the Shepaug river, pi. xvi. 



557. Hobbs, W. H. 



River map of the area surrounding the Pomperaug val- 

 ley. 



Jour. Geol., ix, 477, 1901. 



Rivers have been traced from the U. S. Geological Survey atlas sheets, 

 which are on a scale of one inch to the mile. Observed faults (extended) 

 are shown, as are also the inferred approximate positions of joint or 

 fault planees. Scale Yi inchz=i mile. 



558. Hobbs, W. H. 



River map of Connecticut. 



Jour. Geol., ix, 468, 1901. 



This map, reduced from the two-sheet topographic map of Con- 

 necticut, shows the prominent " trough lines " and their trend. Scale 

 I inch=i2j^ miles. 



559. Hobbs, W. H. 



Map of the (Farmington) Still river and vicinity. 



Geol. Soc. America, Bull., xiii, fig. i, 1901. 



Area immediately around Torrington, Winsted, and Robertsville. 

 Locates drift barriers, limestone, ponded areas. Scale Yi inch:=i 

 mile; contour interval, 20 feet. 



560. Hobbs, W. H. 



Map of the (Housatonic) Still river and vicinitj'. 

 Geol. Soc. America, Bull., xiii, figs. 2, 3, 1901. 



Area immediately around Danbury, Bethel, and New Milford. Locates 

 drift, limestone, schist. Sketch map showing development of Still river. 

 Scale Yi inchzzi mile; contour interval, 20 feet. 



