01572cam a22002771i 4500001001300000003000400013005001700017008004100034010001700075035001900092040005100111042001200162050002200174110003200196245003900228260007500267300008500342490004400427500015800471500007600629500012500705500034900830504002901179650002301208810006301231gs 37000292 DLC20260227111342.0791029s1936    vauabf   b   s000 0 eng c  ags 37000292   a(OCoLC)5623272  aU.S. Geol. Survey. LibrcNBrockUdNBrockUdDLC  apremarc00aQE173b.A2 no. 462 aVirginia Geological Survey.10aContributions to Virginia geology.  aUniversity, Va., [Richmond,bDivision of Purchase and Printing]c1936.  ax, 211 p.billus., 22 pl. (1 col.) incl. fold. maps, diagr. (part fold.)c23 cm.1 aVirginia Geological Survey. Bulletin 46  aAt head of title: Commonwealth of Virginia.  State Commission on Conservation and Development. Virginia Geological Survey. Arthur Bevan, state geologist.  aExtra numbered pages 88a-88b and 102a are printed as unnumbered plates.  aPapers A-B, G-H are reprinted from various periodicals.  cf. Letter of transmittal and foot-notes to each of the papers.  aPaper I "is a part, slightly revised, of a dissertation, entitled 'The geographic distribution and stratigraphic occurrence of Ordovician altered volcanic materials in eastern North Americs,' submitted to the faculty of Princeton University in partial fulfillment of the requirements for the degree of doctor of philosophy."--Foot-note, p. [87]  aIncludes bibliographies. 0aGeologyzVirginia.1 aVirginia.bDivision of Mineral Resources.tBulletin ;v46.