01144cam a22002891 4500 gs 28000139 DLC 20260227111332.0 770622s1928 vauabf b 000 0 eng c gs 28000139 (OCoLC)3061976 U.S. Geological Survey. Library DCU DCU OCoLC DLC n-us-va QE676 .R6 1928 Roberts, Joseph K. (Joseph Kent), 1889- The geology of the Virginia Triassic, by Joseph K. Roberts. University, Va. [Charlottesville, Michie Co., printers] 1928. xii, 205 p. illus., tables, 32 plates (incl. 5 maps, 4 fold. in pocket) 23 cm. Virginia. Geological survey. Bulletin 29 At head of title: State of Virginia. Conservation and Development Commission. Published also as thesis (Ph. D.) Johns Hopkins University. Bibliography: p. 177-199. Geology, Stratigraphic Triassic. Geology Virginia. Geology Virginia Bibliography. Geology, Stratigraphic Triassic Bibliography. 26633 26633