State Geologist Vermo4
OF THE STATE GEOLOGIST ON THE MINERAL INDUSTRIES AND GEOLOGY OF / VERMO4 1923-1924 FOURTEENTH OF THIS SERIES GEORGE H. PERKINS State Geologist and Professor of Geology University of Vermont BURLINGTON. VT.: FREE PRESS PRINTING Co. 1924. STAFF OF THE VERMONT GEOLOGICAL SURVEY, CONTENTS. 1923-1924. PAGE ç GEORGE H. PERxrrcs, State Geologist, Director. PERKINS .................... 1 ' LIST OF ALTITUDES IN VERMONT, G. H. Professor of Geology, University of Vermont. /GEOLOGY OF GRAND ISLE COUNTY, G. H. PERKTNS .................... 63 ELBRIDCE C. JACOBS, Assistant Geologist. ......................... 72 - Professor Mineralogy, University of Vermont. THE OLDEST CORAL REEF, P. E. -RAYMOND CITA1ILES H. RICHARDSON, Assistant Geologist. TERRANES OF BETHEL, VERMONT, C. H. RICHARDSON ................. 77 - Professor of Mineralogy, Syracuse University. CAMBRIAN SUCCESSION IN NORTHWESTERN VERMONT, ARTHUR KEITH. .105 CLARENCE E. GORDON, Assistant Geologist. P. E. RAYMOND ................... 137 Professor of Geology, Massachusetts Agricultural College. NEW TRILOBITES FROM VERMONT, E. J. Fovus, Field Assistant Geologist. G:oi.00y OF BRIDPOBT, SHOREIIAM AND FORT CASSIN, E. J. FOYLES .... 204 - Am. Museum Natural History, New York City. STUDIES IN THE GEOLOGY OF WESTERN VERMONT, C. E. GORDON ........ 218 Contributing Geologists: Gi-:or.00y OF SOUTH CENTRAL VERMONT, G. H. HUBBARD .............. 260 ARTHUR KEITH, U. S. Geological Survey. 344 PROFESSOR PERcy E. RAylloxu. Harvard University. MINERAl. RESOURCES, G. H. PERKINS ................................ PROFESSOR GEORGE D. Hcr.rARIJ, Oberlin College. .1 I PLATE XV. THE GEOLOGY OF SHOREHAM, BRIDPORT AND FORT CASSIN, VERMONT. EDWARD J. FOYLES TABLE OF CONTENTS. Introduction. Shoreham and Bridport. Physiography. Structural geology. Stratigraphic geology. Palae&ntology. Fort Cassin. Introduction. Palaeontology. Bibliography. INTRODUCTION. The present paper is the second of a series in which I am attempting to show the true ages of those rocks in the Champlain valley of Vermont which have been called Beekmantown [1, pp.
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