Includes bibliographies.
At head of title: Commonwealth of Virginia. State Commission on Conservation and Development. Virginia Geological Survey. Arthur Bevan, state geologist.
Extra numbered pages 88a-88b and 102a are printed as unnumbered plates.
Papers A-B, G-H are reprinted from various periodicals. cf. Letter of transmittal and foot-notes to each of the papers.
Paper 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]