No. 8.] BIBLIOGRAPHY OF CONNECTICUT GEOLOGY. 8l 



S6i. Hobbs, W. H. 



Geological map of the tungsten mine near Long hill, 

 Connecticut. 



U. S. Geol. Surv., 22d Ann. Rept., pt. ii, pi. i, 1901. 



Locates, in color, hornblende gneiss, crystalline limestone, pegmatites, 

 mica schist, quartz-hornblende-scheelite-epidote rock; also strike, dip, 

 joints. Scale iJ4 inches^isoo feet; contour interval 10 feet. 



562. Hobbs, W. H. 



Geological map of the vicinity of the Trumbull mine, 

 Connecticut. 



U. S. Geol. Surv., 22d Ann. Rept., pt. ii, pi. ii, 1901. 



Locates schist-gneiss complex, hornblende gneiss, crystalline lime- 

 stone. Scale iJ4 inches z= I mile; contour interval 20 feet. 



563. Hobbs, W. H. 



Sketch map of the Pomperaug valley, showing the dis- 

 tribution of the terrace deposits and of basalt trains. 

 Am. Jour. Sci., (4) xiv, 401, 1902. 



Scale I inchz=2 miles. 



564. Hobbs, W. H. 



Drainage system of Connecticut. 



Geol. Soc. America, Bull., xv, pi. 46, 1904. 



Shows rivers of Connecticut, and network of "lineaments " which 

 control their course. Scale i inch::: 10 miles. 



565. Hovey, E. O. 



Map of the trap ridges of the East Haven region. 



Am. Jour. Sci., (3) xxxviii, pi. ix, 1889. 



Locates Pond Rock (Saltonstall ridge), and the smaller ridges within 

 two miles of it; also south end of Totoket mountain and boundary of 

 Triassic. Scale Y2. inch ^5,000 feet. 



566. Logan, W. E., and Hall, J. 



Geological map- of Canada and the United States, from 

 Hudson Bay to Virginia, and from the Missouri river to 

 Newfoundland. Montreal, 1866; also on smaller scale in 

 atlas to " Geology of Canada," 1863. 



Review: Am. Jour. Sci., (2) xlix, 294-298, 1866. 



Connecticut is left blank except the Connecticut valley " Trias," the 

 limestone areas marked "Levis" (Lower Silurian), and the schist of 

 Salisbury marked " Lauzon." A carefully made colored map. Scale 

 approximately i inch zz 25 miles. 



567. Leper, S. W., and Davis, W. M, 



Sketch map of about 10 square miles near Meriden. 

 (See Davis and Loper, 529.) 

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