5o6 



STRATIGRAPHICAL GEOLOGY. 



South-east side of Beach hill, N. 42° W. 

 30°. 



South end of Beach hill, S. 35° W. 36°. 



South of the east end of Monadnock pond, 

 i mile south-east of L. Darling's, 

 N. 68° W. to N. 12° E.— variable. 



East side of Mountain brook, N. 12° to 

 N. 36° W. 35°. 



In the pasture on extreme north-east spur 

 of Monadnock, N. 50° W. 18. 



I of way to north peak of Monadnock from 

 the lake N. 80° W. 35°. 



North peak of Monadnock, N. 72° W. 45°. 



A mile north-east from summit of Monad- 

 nock, S. 84° W. 65°. 



East of A. H. risk's, N. 46° W. 82°. 



South of Wood's brook, N. 48° W. 70°. 



7qfrey. 

 i mile north of summit of Monadnock, 



N. 82° E. 50° ; summit, N. 36° W; 60°. 

 i way to Mountain house, N. 38° W. 20°. 

 h way to Mountain house, N. 48° E. 25°. 

 Near toll-gate, N. 38° W. 60°. 

 Near J. W. Harris's, N. 62° W. 74°. 

 A mile north-east of Jaffrey centre, N. 36° 



W. 50°. 

 East of Thorndike pond, N. 43° W. 50°. 

 Saw-mill on Contoocook river, N. 85° W. 



53°. 

 At Capt. E. Prescott's, N. 36° W. 55°. 



50 rods south of A. Baker's, N. 20° to N. 

 50° W. 62°. 



At the village, S. 53° W. 70°. 

 South-east of J. R. Bixby's, S. 53° E. 20°. 

 At school-house No. 7, S. 48° E. 55°. 

 At J. T. Hale's, S. 8° E. 72°. 

 i mile east and south of the road, N. 8° 



W. 50, — variable and contorted. 

 Near Gate's, S. 80° W. 45°. 

 South-west of village, and west of railroad, 



S. 75° W. 50°. 



Fitz'iuiUia7n. 

 North of State Line station, N. 58° W. 45°. 

 At W. F. Terry's, strike north and south ; 



strata vertical. 

 At G. Richardson's, N. 63° W., and opp. 

 On road west of S. Drury's, S. 8° E. 65°. 

 At M. Broad's and H. F. Hildreth's, N. 



80° W. 40°. 



Richmond. 

 At J. Hill's, N. 80° E. 60°. 

 At Z. Bowen's, N. 82° E. 40° to 70°. 

 At E. Harkness's, S. 58° E. 48°. 

 At M. Allen's, S. 68° E. 80°. 

 At W. Wright's, S. 80° W. 74°. 

 At A. Keton's, N. 75° E. 65°. 



Winchester. 

 On Peaked mountain, N. 85° E. 75°, and 



vertical. 

 On Stone mountain, west side, N. 78° E., 



nearly vertical. 



Hill north-west of Haskell's, N. 63° W. 70°. 



[Note. The quartzites and quartz conglomerates occurring along the western border 

 of this district have been described in connection with those of the Connecticut Valley 

 district, pages 416-421.] 



Intrusive Rocks and Vein-Stones. 



Quarts. There is a band of quartz that has its northern limit on Giles 

 pinnacle in Grafton. Southward there are extended outcrops in Gran- 

 tham, Unity, Surry, and Kecne. This band of quartz has some marked 

 peculiarities which distinguish it from all the other rocks that we have 

 described. There are, however, two bands of rocks in the eastern part of 



