Annual report of the United States Geological Survey to the Secretary of the Interior . WASHINGTONGOVERNMENT PRINTING OFF I CIS1 !)()() TWENTIETH ANNUAL REPORT OF THE UNITED STATES GEOLOGICAL SURVEY PART II—GENERAL GEOLOGY AND PALEONTOLOGY 4534? CONTENTS. Page. Becker, G. F. Brief memorandum on the geology of the Philippine 1 Dale, T. X. A study of Bird Mountain, Vermont (Pis. I-II) 9 Girty, < j. H. Devonian fossils from southwestern Colorado: The fauna of the Ouray formation (Pis. III-VII) 25 Russell, I. C. A preliminary paper on the geology of the Cascade Mountains in northern W
Annual report of the United States Geological Survey to the Secretary of the Interior . WASHINGTONGOVERNMENT PRINTING OFF I CIS1 !)()() TWENTIETH ANNUAL REPORT OF THE UNITED STATES GEOLOGICAL SURVEY PART II—GENERAL GEOLOGY AND PALEONTOLOGY 4534? CONTENTS. Page. Becker, G. F. Brief memorandum on the geology of the Philippine 1 Dale, T. X. A study of Bird Mountain, Vermont (Pis. I-II) 9 Girty, < j. H. Devonian fossils from southwestern Colorado: The fauna of the Ouray formation (Pis. III-VII) 25 Russell, I. C. A preliminary paper on the geology of the Cascade Mountains in northern Washington (Pis. VIII-XX) 83 Ward, L. F. Status of the Mesozoie floras of the United States (Pis. XXI- CLXXIX) 211 White, David. The stratigraphic succession of the fossil Horas of the Potts- ville formation in the Southern Anthracite coal field, Pennsylvania (Pis. CLXXX-CXCIII) 749 v BRIEF MEMORANDUM ON THE GEOLOGY OF THEPHILIPPINE ISLANDS BY GEORGE F. BECKER 20 GEOL, PT 2 1 1 BRIEF MEMORANDUM ON THE GEOLOGY OF THEPHILIPPINE By George F. Becker. Much office work must beannualreportofu2021geol_2
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