16. The largest particle still considered as sediment is ----------------------------; the smallest is ---------------------------------. a. cobble, silt. b. cobble, sand. c. boulder, sand. d. boulder, clay. 17. The study and description of layered sedimentary deposits is called: a. sedimentology.
Benjamin Davis, Sr., was born just as the Reconstruction period was ending in Washington, D.C. He attended the all Black M Street High School, where he received his first military training, liking the discipline and order.
New GSS Data Explorer Key Trends Feature Dedicated to James A. Davis. James Davis Ph.D. (1929-2016) was founder, in 1972, of the General Social Survey. Professor Davis who was a long-time member of the University of Chicago faculty and Director of NORC from 1971 to 1975, was an enormously respected scholar of sociology.