512 



University of California Publications in Geology [Vol. 8 



1962. About three-eighths mile east of loe. 1961, 15 feet above and on east side 



of small saddle between a 725-foot and a 700-foot knoll, which knolls 

 lie east and west of each other; exactly 1 inch due south of the letter 

 E in the word ridge of Shell Eidge. Concord Topographic Sheet, 

 U. S. G. S. 



1963. Southeast of Walnut Creek, about 100 feet east of where creek forks, 



in gulch just west of where creek cuts through the ridge which is to 

 the south of and parallel to Shell Ridge. Concord Topographic Sheet, 

 U. S. G. S. 



2040. On southeast side of 990-foot hill at elevation of about 650 feet; near 



south edge of NE V4 Sec. 33, T. 2 N, E. 1 E, M. D. B. and M. 



2041. In first sharp gulch just west of 920-foot hill; in bottom of creek bed; 



SW corner of NE *4 Sec. 33, T. 2 N, B, 1 E, M. D. B. and M. 



2042. A little east of center of NW % SW % Sec. 34, T. 2 N, E. 1 E, M. D. B. 



and M. 



