At head of title: State of Illinois. Department of registration and education. Division of state geological survey.Includes bibliographical references
Thesis (M.S.)--University of Illinois, 1910.Typescript.Includes bibliographical references
Series popularly known as Guide leaflet and Field trip guidebook."September 19, 1992."Includes bibli...
Field trip held May 26 to June 1, 1979.Includes bibliographies.Pt. 1. Road log and descriptions of s...
At head of title: State of Illinois. Department of registration and education. Division of state geo...
At head of title: State of Illinois ... Dept. of registration and education ... Division of the Stat...
Use of the Glen Dean limestone as a structural key horizon in the Illinois basin by George V. Cohee....
Cover title."Reprinted from the Transactions, Illinois State Academy of Science, vol. 32, no. 2, Dec...
"Reprinted from the Bulletin, Geological Society of America, vol. 49, pp. 1425-1430, 1938.""Works to...
"Reprinted from the Transactions, Illinois State Academy of Science, vol. 36, no. 2, December, 1943....
At head of title: State of Illinois, Dwight H. Green, Governor. Dept. of Registration and Education,...
At head of title: State of Illinois, Dept. of registration and education, Division of the State Geol...
Cover title.At head of title: State of Illinois. Department of Registration and Education.Bibliograp...
"October 14, 1989."--Cover.l.Series popularly known as guide leaflet.Includes bibliographical refere...
Cover title."Host: Neoga High School.""September 29, 1962."Includes bibliographical references (leaf...
Midwest Friends of the Pleistocene 26th Field Conference May 4-6, 1979 The purpose of this fiel...
Thesis (M.S.)--University of Illinois, 1910.Typescript.Includes bibliographical references
Series popularly known as Guide leaflet and Field trip guidebook."September 19, 1992."Includes bibli...
Field trip held May 26 to June 1, 1979.Includes bibliographies.Pt. 1. Road log and descriptions of s...
At head of title: State of Illinois. Department of registration and education. Division of state geo...
At head of title: State of Illinois ... Dept. of registration and education ... Division of the Stat...
Use of the Glen Dean limestone as a structural key horizon in the Illinois basin by George V. Cohee....
Cover title."Reprinted from the Transactions, Illinois State Academy of Science, vol. 32, no. 2, Dec...
"Reprinted from the Bulletin, Geological Society of America, vol. 49, pp. 1425-1430, 1938.""Works to...
"Reprinted from the Transactions, Illinois State Academy of Science, vol. 36, no. 2, December, 1943....
At head of title: State of Illinois, Dwight H. Green, Governor. Dept. of Registration and Education,...
At head of title: State of Illinois, Dept. of registration and education, Division of the State Geol...
Cover title.At head of title: State of Illinois. Department of Registration and Education.Bibliograp...
"October 14, 1989."--Cover.l.Series popularly known as guide leaflet.Includes bibliographical refere...
Cover title."Host: Neoga High School.""September 29, 1962."Includes bibliographical references (leaf...
Midwest Friends of the Pleistocene 26th Field Conference May 4-6, 1979 The purpose of this fiel...
Thesis (M.S.)--University of Illinois, 1910.Typescript.Includes bibliographical references
Series popularly known as Guide leaflet and Field trip guidebook."September 19, 1992."Includes bibli...
Field trip held May 26 to June 1, 1979.Includes bibliographies.Pt. 1. Road log and descriptions of s...