Annual report of the United States Geological Survey to the Secretary of the Interior . CYCADELLA CIRRATA, FROM THE JURASbIC OF WYOMING. LIBRARY OF THE UNIVERSITY ef ILLINOIS. PLATE CXXVII. PLATE CX XVII. Page CyCAJDELLA cirrata Ward 403 Xci. of the Museum of the University of 1. Fracture joining No. 2. Outer U. S. GEOLOGICAL SURVEY TWENTIETH ANNUAL REPORT PART II PL. CXXVII

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Keywords: ., book, bookcentury1800, booksubjectgeology, booksubjectwatersupply