Front matter
Reading edition
Field Book PENNSYLVANIAN PLANT FOSSILS OF ILLINOIS
Charles Collinson Romayne Skartvedt
Illinois State Geological Survey Educational Series 6
STATE OF ILLINOIS DEPARTMENT OF REGISTRATION AND EDUCATION
First edition 1960 Reprinted 1966
ILLINOIS STATE GEOLOGICAL SURVEY URBANA ILLINOIS John C. Frye, Chief
Printed by Authority of State of Illinois, Ch. 127, IRS, Par. 58.25.
Field Book PENNSYLVANIAN PLANT FOSSILS OF ILLINOIS
Charles Collinson Romayne Skartvedt
Illustrations by Marie E. Litterer
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