Report of tee State Geologist. 271 



Canandaigua Lake, N, Y. J. M. Clarke and J. Van Deloo, collectors. 

 1888. 



No. 1566. Hamilton shales. Fall brook, four miles east of Canan- 

 daigua lake on the old Geneva road. C. Van Deloo and Martin 

 Sheehj, collectors. 1886. * 



No. 1567. Hamilton shales and limestone. One mile north of 

 Centrefield, Ontario county, N. Y., on Seaver's creek. J. M. Clarke 

 and J. Van Deloo, collectors. 1888. 



No. 1571. Hamilton group. Phelps quarries, Stony Post and 

 Alpena, Michigan. 



No. 1571a. Hamilton group. Thunder Bay river, Michigan. 



No. 1571&. Hamilton group. Partridge Point, Michigan. 



No. 1571c. Hamilton group. Petosky, Michigan. 



No. 1571(i. Hamilton group. Long lake, Michigan. 



No. 1571e. Hamilton group. Lime quarries at Petosky, Michigan. 

 C. Rominger, collector. 1888. 



No. 1572. Hamilton shales. Various localities in the upper part of 

 the group on Canandaigua lake, N. Y. Clarke collection, purchased. 

 1889. 



No. 1573. Hamilton shales. Tichenor's gully, Canandaigua lake, 

 N. Y. Clarke collection, purchased. 1889. 



No. 1574. Hamilton shales and limestones. Basal layers at Seaver's 

 creek, near Centrefield, township of Canandaigua, N. Y. Clarke 

 collection, purchased. 1889. 



No. 1575. Hamilton shales. Fall brook, Hopewell, Ontario county, 

 N, Y. Clarke collection, purchased. 1889. 



No. 1576. Hamilton shales. Thunder Bay, Michigan. Clarke col- 

 lection, purchased. 1889. 



No. 1601. Hamilton group. Two miles south of Darien Centre, on 

 the road to Alden, N. Y. C. D. Walcott and C. Van Deloo, collectors. 

 1878. 



No. 1602. Hamilton group. From cutting of Erie railroad track 

 two miles east of Alden, Erie county, N. Y. C. D. Walcott and C. 

 Van Deloo, collectors. 1878. 



No. 1603. Hamilton group. Con. Hill's gulch, four miles south of 

 LeRoy, Genesee county, N. Y. C. D. Walcott, collector. 1878. 



No. 1604. Hamilton group. Road from Cooperstown to Hartwick, 

 N. Y. J. W. Hall, collector. 1877. 



No. 1605. Hamilton group. Top layers of a blue-stone quarry near 

 Clarksville, Albany county, N. Y. Road between Mud Hollow and 

 Reidsville. J. W. HaU, collector. 1878. 



